357987440813 has 4 divisors (see below), whose sum is σ = 357990929340. Its totient is φ = 357983952288.

The previous prime is 357987440771. The next prime is 357987440879. The reversal of 357987440813 is 318044789753.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 318044789753 = 40819 ⋅7791587.

It can be written as a sum of positive squares in 2 ways, for example, as 36155881609 + 321831559204 = 190147^2 + 567302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-357987440813 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 (357987440513) 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, 1585520 + ... + 1797177.

It is an arithmetic number, because the mean of its divisors is an integer number (89497732335).

Almost surely, 2^357987440813 is an apocalyptic number.

It is an amenable number.

357987440813 is a deficient number, since it is larger than the sum of its proper divisors (3488527).

357987440813 is a wasteful number, since it uses less digits than its factorization.

357987440813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488526.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 357987440813 in words is "three hundred fifty-seven billion, nine hundred eighty-seven million, four hundred forty thousand, eight hundred thirteen".