70990892469 has 12 divisors (see below), whose sum is σ = 117191314656. Its totient is φ = 40566224232.

The previous prime is 70990892437. The next prime is 70990892513. The reversal of 70990892469 is 96429809907.

70990892469 is a `hidden beast` number, since 7 + 0 + 9 + 90 + 89 + 2 + 469 = 666.

It is not a de Polignac number, because 70990892469 - 2⁵ = 70990892437 is a prime.

It is a super-2 number, since 2×70990892469² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 1126839563 = 70990892469 / (7 + 0 + 9 + 9 + 0 + 8 + 9 + 2 + 4 + 6 + 9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70990892429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 563419719 + ... + 563419844.

It is an arithmetic number, because the mean of its divisors is an integer number (9765942888).

Almost surely, 2^70990892469 is an apocalyptic number.

It is an amenable number.

70990892469 is a deficient number, since it is larger than the sum of its proper divisors (46200422187).

70990892469 is a wasteful number, since it uses less digits than its factorization.

70990892469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126839576 (or 1126839573 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 63.

The spelling of 70990892469 in words is "seventy billion, nine hundred ninety million, eight hundred ninety-two thousand, four hundred sixty-nine".