4970238457 has 4 divisors (see below), whose sum is σ = 5141626020. Its totient is φ = 4798850896.

The previous prime is 4970238451. The next prime is 4970238491. The reversal of 4970238457 is 7548320794.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3911126521 + 1059111936 = 62539^2 + 32544^2 .

It is a cyclic number.

It is not a de Polignac number, because 4970238457 - 2²⁷ = 4836020729 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4970238457.

It is not an unprimeable number, because it can be changed into a prime (4970238451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85693738 + ... + 85693795.

It is an arithmetic number, because the mean of its divisors is an integer number (1285406505).

Almost surely, 2^4970238457 is an apocalyptic number.

It is an amenable number.

4970238457 is a deficient number, since it is larger than the sum of its proper divisors (171387563).

4970238457 is a wasteful number, since it uses less digits than its factorization.

4970238457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171387562.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The square root of 4970238457 is about 70499.9181347042. The cubic root of 4970238457 is about 1706.5764245489.

The spelling of 4970238457 in words is "four billion, nine hundred seventy million, two hundred thirty-eight thousand, four hundred fifty-seven".