69848990988 has 36 divisors (see below), whose sum is σ = 189590119992. Its totient is φ = 19956854400.

The previous prime is 69848990983. The next prime is 69848991031. The reversal of 69848990988 is 88909984896.

It is a happy number.

It is a super-2 number, since 2×69848990988² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (69848990983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59394813 + ... + 59395988.

It is an arithmetic number, because the mean of its divisors is an integer number (5266392222).

Almost surely, 2^69848990988 is an apocalyptic number.

It is an amenable number.

69848990988 is an abundant number, since it is smaller than the sum of its proper divisors (119741129004).

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

69848990988 is a wasteful number, since it uses less digits than its factorization.

69848990988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118790822 (or 118790813 counting only the distinct ones).

The product of its (nonzero) digits is 644972544, while the sum is 78.

The spelling of 69848990988 in words is "sixty-nine billion, eight hundred forty-eight million, nine hundred ninety thousand, nine hundred eighty-eight".