70390694869 has 4 divisors (see below), whose sum is σ = 76789848960. Its totient is φ = 63991540780.

The previous prime is 70390694849. The next prime is 70390694953. The reversal of 70390694869 is 96849609307.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70390694869 - 2⁷ = 70390694741 is a prime.

It is a super-2 number, since 2×70390694869² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70390694849) 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, 3199577029 + ... + 3199577050.

It is an arithmetic number, because the mean of its divisors is an integer number (19197462240).

Almost surely, 2^70390694869 is an apocalyptic number.

It is an amenable number.

70390694869 is a deficient number, since it is larger than the sum of its proper divisors (6399154091).

70390694869 is a wasteful number, since it uses less digits than its factorization.

70390694869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6399154090.

The product of its (nonzero) digits is 17635968, while the sum is 61.

The spelling of 70390694869 in words is "seventy billion, three hundred ninety million, six hundred ninety-four thousand, eight hundred sixty-nine".