699344948736 has 960 divisors, whose sum is σ = 2477316441600. Its totient is φ = 192846790656.

The previous prime is 699344948699. The next prime is 699344948761. The reversal of 699344948736 is 637849443996.

699344948736 is a `hidden beast` number, since 6 + 99 + 344 + 94 + 87 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5031258555 + ... + 5031258693.

It is an arithmetic number, because the mean of its divisors is an integer number (2580537960).

Almost surely, 2^699344948736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 699344948736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1238658220800).

699344948736 is an abundant number, since it is smaller than the sum of its proper divisors (1777971492864).

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

699344948736 is a wasteful number, since it uses less digits than its factorization.

699344948736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 313 counting only the distinct ones).

The product of its digits is 846526464, while the sum is 72.

The spelling of 699344948736 in words is "six hundred ninety-nine billion, three hundred forty-four million, nine hundred forty-eight thousand, seven hundred thirty-six".