70149565318 has 12 divisors (see below), whose sum is σ = 122403833532. Its totient is φ = 30064099380.

The previous prime is 70149565313. The next prime is 70149565319. The reversal of 70149565318 is 81356594107.

It is a super-2 number, since 2×70149565318² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70149565313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 357905848 + ... + 357906043.

It is an arithmetic number, because the mean of its divisors is an integer number (10200319461).

Almost surely, 2^70149565318 is an apocalyptic number.

70149565318 is a deficient number, since it is larger than the sum of its proper divisors (52254268214).

70149565318 is a wasteful number, since it uses less digits than its factorization.

70149565318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715811907 (or 715811900 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 70149565318 in words is "seventy billion, one hundred forty-nine million, five hundred sixty-five thousand, three hundred eighteen".