69397974912 has 256 divisors, whose sum is σ = 218814382080. Its totient is φ = 19069655040.

The previous prime is 69397974883. The next prime is 69397974913. The reversal of 69397974912 is 21947979396.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69397974913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13913283 + ... + 13918269.

It is an arithmetic number, because the mean of its divisors is an integer number (854743680).

Almost surely, 2^69397974912 is an apocalyptic number.

69397974912 is a gapful number since it is divisible by the number (62) 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 69397974912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109407191040).

69397974912 is an abundant number, since it is smaller than the sum of its proper divisors (149416407168).

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

69397974912 is a wasteful number, since it uses less digits than its factorization.

69397974912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5209 (or 5197 counting only the distinct ones).

The product of its digits is 46294416, while the sum is 66.

The spelling of 69397974912 in words is "sixty-nine billion, three hundred ninety-seven million, nine hundred seventy-four thousand, nine hundred twelve".