69868904985 has 96 divisors (see below), whose sum is σ = 134871474816. Its totient is φ = 33174144000.

The previous prime is 69868904983. The next prime is 69868904999. The reversal of 69868904985 is 58940986896.

It is not a de Polignac number, because 69868904985 - 2¹ = 69868904983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69868904981) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7030470 + ... + 7040400.

It is an arithmetic number, because the mean of its divisors is an integer number (1404911196).

Almost surely, 2^69868904985 is an apocalyptic number.

It is an amenable number.

69868904985 is a deficient number, since it is larger than the sum of its proper divisors (65002569831).

69868904985 is a wasteful number, since it uses less digits than its factorization.

69868904985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10247 (or 10244 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 72.

The spelling of 69868904985 in words is "sixty-nine billion, eight hundred sixty-eight million, nine hundred four thousand, nine hundred eighty-five".