46463878457 has 4 divisors (see below), whose sum is σ = 49197047796. Its totient is φ = 43730709120.

The previous prime is 46463878451. The next prime is 46463878471. The reversal of 46463878457 is 75487836464.

46463878457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 24894843961 + 21569034496 = 157781^2 + 146864^2 .

It is a cyclic number.

It is not a de Polignac number, because 46463878457 - 2¹⁰ = 46463877433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46463878457.

It is not an unprimeable number, because it can be changed into a prime (46463878451) 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, 1366584644 + ... + 1366584677.

It is an arithmetic number, because the mean of its divisors is an integer number (12299261949).

Almost surely, 2^46463878457 is an apocalyptic number.

It is an amenable number.

46463878457 is a deficient number, since it is larger than the sum of its proper divisors (2733169339).

46463878457 is a wasteful number, since it uses less digits than its factorization.

46463878457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733169338.

The product of its digits is 108380160, while the sum is 62.

The spelling of 46463878457 in words is "forty-six billion, four hundred sixty-three million, eight hundred seventy-eight thousand, four hundred fifty-seven".