69947870694 has 32 divisors (see below), whose sum is σ = 151548442080. Its totient is φ = 21522417696.

The previous prime is 69947870669. The next prime is 69947870719. The reversal of 69947870694 is 49607874996.

It is an interprime number because it is at equal distance from previous prime (69947870669) and next prime (69947870719).

It is a super-2 number, since 2×69947870694² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2639977 + ... + 2666340.

It is an arithmetic number, because the mean of its divisors is an integer number (4735888815).

Almost surely, 2^69947870694 is an apocalyptic number.

69947870694 is an abundant number, since it is smaller than the sum of its proper divisors (81600571386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69947870694 is a wasteful number, since it uses less digits than its factorization.

69947870694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306361 (or 5306335 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 69.

The spelling of 69947870694 in words is "sixty-nine billion, nine hundred forty-seven million, eight hundred seventy thousand, six hundred ninety-four".