699027428736 has 320 divisors, whose sum is σ = 2560365672480. Its totient is φ = 184358633472.

The previous prime is 699027428713. The next prime is 699027428741. The reversal of 699027428736 is 637824720996.

It is a super-2 number, since 2×699027428736² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 573040 + ... + 1313936.

Almost surely, 2^699027428736 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 699027428736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280182836240).

699027428736 is an abundant number, since it is smaller than the sum of its proper divisors (1861338243744).

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

699027428736 is a wasteful number, since it uses less digits than its factorization.

699027428736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740943 (or 740922 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 699027428736 in words is "six hundred ninety-nine billion, twenty-seven million, four hundred twenty-eight thousand, seven hundred thirty-six".