70498090971 has 144 divisors (see below), whose sum is σ = 131259261952. Its totient is φ = 35678776320.

The previous prime is 70498090961. The next prime is 70498090987. The reversal of 70498090971 is 17909089407.

It is not a de Polignac number, because 70498090971 - 2⁷ = 70498090843 is a prime.

It is a super-4 number, since 4×70498090971⁴ (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (70498090961) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 49541166 + ... + 49542588.

Almost surely, 2^70498090971 is an apocalyptic number.

70498090971 is a deficient number, since it is larger than the sum of its proper divisors (60761170981).

70498090971 is a wasteful number, since it uses less digits than its factorization.

70498090971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The spelling of 70498090971 in words is "seventy billion, four hundred ninety-eight million, ninety thousand, nine hundred seventy-one".