70949849442 has 32 divisors (see below), whose sum is σ = 142331792064. Its totient is φ = 23577998400.

The previous prime is 70949849441. The next prime is 70949849447. The reversal of 70949849442 is 24494894907.

It is a super-2 number, since 2×70949849442² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70949849441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5283717 + ... + 5297127.

It is an arithmetic number, because the mean of its divisors is an integer number (4447868502).

Almost surely, 2^70949849442 is an apocalyptic number.

70949849442 is an abundant number, since it is smaller than the sum of its proper divisors (71381942622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70949849442 is a wasteful number, since it uses less digits than its factorization.

70949849442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16034.

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 70949849442 in words is "seventy billion, nine hundred forty-nine million, eight hundred forty-nine thousand, four hundred forty-two".