4902057197 has 4 divisors (see below), whose sum is σ = 4902411996. Its totient is φ = 4901702400.

The previous prime is 4902057179. The next prime is 4902057227. The reversal of 4902057197 is 7917502094.

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 2487415876 + 2414641321 = 49874^2 + 49139^2 .

It is a cyclic number.

It is not a de Polignac number, because 4902057197 - 2¹⁴ = 4902040813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4902057157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155798 + ... + 184599.

It is an arithmetic number, because the mean of its divisors is an integer number (1225602999).

Almost surely, 2^4902057197 is an apocalyptic number.

It is an amenable number.

4902057197 is a deficient number, since it is larger than the sum of its proper divisors (354799).

4902057197 is a wasteful number, since it uses less digits than its factorization.

4902057197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354798.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 4902057197 is about 70014.6927223137. The cubic root of 4902057197 is about 1698.7369160983.

The spelling of 4902057197 in words is "four billion, nine hundred two million, fifty-seven thousand, one hundred ninety-seven".