69960972439 has 4 divisors (see below), whose sum is σ = 70946338320. Its totient is φ = 68975606560.

The previous prime is 69960972409. The next prime is 69960972449. The reversal of 69960972439 is 93427906996.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 69960972439 - 2⁷ = 69960972311 is a prime.

It is a super-2 number, since 2×69960972439² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69960972409) 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, 492682834 + ... + 492682975.

It is an arithmetic number, because the mean of its divisors is an integer number (17736584580).

Almost surely, 2^69960972439 is an apocalyptic number.

69960972439 is a deficient number, since it is larger than the sum of its proper divisors (985365881).

69960972439 is an equidigital number, since it uses as much as digits as its factorization.

69960972439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985365880.

The product of its (nonzero) digits is 39680928, while the sum is 64.

The spelling of 69960972439 in words is "sixty-nine billion, nine hundred sixty million, nine hundred seventy-two thousand, four hundred thirty-nine".