70434401338 has 12 divisors (see below), whose sum is σ = 122900843322. Its totient is φ = 30186171960.

The previous prime is 70434401333. The next prime is 70434401363. The reversal of 70434401338 is 83310443407.

It can be written as a sum of positive squares in only one way, i.e., 39240836649 + 31193564689 = 198093^2 + 176617^2 .

It is a super-2 number, since 2×70434401338² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70434401297 and 70434401306.

It is not an unprimeable number, because it can be changed into a prime (70434401333) 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, 359359093 + ... + 359359288.

Almost surely, 2^70434401338 is an apocalyptic number.

70434401338 is a deficient number, since it is larger than the sum of its proper divisors (52466441984).

70434401338 is a wasteful number, since it uses less digits than its factorization.

70434401338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718718397 (or 718718390 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 70434401338 in words is "seventy billion, four hundred thirty-four million, four hundred one thousand, three hundred thirty-eight".