69954873664 has 168 divisors, whose sum is σ = 160335630560. Its totient is φ = 30013784064.

The previous prime is 69954873647. The next prime is 69954873733. The reversal of 69954873664 is 46637845996.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a self number, because there is not a number n which added to its sum of digits gives 69954873664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272197824 + ... + 272198080.

Almost surely, 2^69954873664 is an apocalyptic number.

69954873664 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69954873664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80167815280).

69954873664 is an abundant number, since it is smaller than the sum of its proper divisors (90380756896).

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

69954873664 is a wasteful number, since it uses less digits than its factorization.

69954873664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 358 counting only the distinct ones).

The product of its digits is 235146240, while the sum is 67.

The spelling of 69954873664 in words is "sixty-nine billion, nine hundred fifty-four million, eight hundred seventy-three thousand, six hundred sixty-four".