699611996477 has 2 divisors, whose sum is σ = 699611996478. Its totient is φ = 699611996476.

The previous prime is 699611996459. The next prime is 699611996527. The reversal of 699611996477 is 774699116996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 691460434681 + 8151561796 = 831541^2 + 90286^2 .

It is a cyclic number.

It is not a de Polignac number, because 699611996477 - 2⁸ = 699611996221 is a prime.

It is a super-2 number, since 2×699611996477² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (699611926477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349805998238 + 349805998239.

It is an arithmetic number, because the mean of its divisors is an integer number (349805998239).

Almost surely, 2^699611996477 is an apocalyptic number.

It is an amenable number.

699611996477 is a deficient number, since it is larger than the sum of its proper divisors (1).

699611996477 is an equidigital number, since it uses as much as digits as its factorization.

699611996477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 277766496, while the sum is 74.

The spelling of 699611996477 in words is "six hundred ninety-nine billion, six hundred eleven million, nine hundred ninety-six thousand, four hundred seventy-seven".