697450110840990 has 192 divisors, whose sum is σ = 2035814783288832. Its totient is φ = 164496991104000.

The previous prime is 697450110840949. The next prime is 697450110840991. The reversal of 697450110840990 is 99048011054796.

697450110840990 is a `hidden beast` number, since 6 + 9 + 7 + 450 + 1 + 10 + 84 + 0 + 9 + 90 = 666.

697450110840990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×697450110840990² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697450110840991) 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, 91531749 + ... + 98858288.

It is an arithmetic number, because the mean of its divisors is an integer number (10603201996296).

Almost surely, 2^{697450110840990} is an apocalyptic number.

697450110840990 is an abundant number, since it is smaller than the sum of its proper divisors (1338364672447842).

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

697450110840990 is a wasteful number, since it uses less digits than its factorization.

697450110840990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190390195 (or 190390192 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The spelling of 697450110840990 in words is "six hundred ninety-seven trillion, four hundred fifty billion, one hundred ten million, eight hundred forty thousand, nine hundred ninety".