69943972461 has 16 divisors (see below), whose sum is σ = 101902681920. Its totient is φ = 42321121920.

The previous prime is 69943972367. The next prime is 69943972499. The reversal of 69943972461 is 16427934996.

It is not a de Polignac number, because 69943972461 - 2⁷ = 69943972333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69943972395 and 69943972404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69943972061) 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 15 ways as a sum of consecutive naturals, for example, 1708576 + ... + 1749033.

It is an arithmetic number, because the mean of its divisors is an integer number (6368917620).

Almost surely, 2^69943972461 is an apocalyptic number.

It is an amenable number.

69943972461 is a deficient number, since it is larger than the sum of its proper divisors (31958709459).

69943972461 is a wasteful number, since it uses less digits than its factorization.

69943972461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458236.

The product of its digits is 17635968, while the sum is 60.

The spelling of 69943972461 in words is "sixty-nine billion, nine hundred forty-three million, nine hundred seventy-two thousand, four hundred sixty-one".