699274969 has 2 divisors, whose sum is σ = 699274970. Its totient is φ = 699274968.

The previous prime is 699274949. The next prime is 699274973. The reversal of 699274969 is 969472996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 698914969 + 360000 = 26437^2 + 600^2 .

It is a cyclic number.

It is not a de Polignac number, because 699274969 - 2²⁹ = 162404057 is a prime.

It is a super-2 number, since 2×699274969² = 977970964539901922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (699274949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349637484 + 349637485.

It is an arithmetic number, because the mean of its divisors is an integer number (349637485).

Almost surely, 2^699274969 is an apocalyptic number.

It is an amenable number.

699274969 is a deficient number, since it is larger than the sum of its proper divisors (1).

699274969 is an equidigital number, since it uses as much as digits as its factorization.

699274969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13226976, while the sum is 61.

The square root of 699274969 is about 26443.8077628771. The cubic root of 699274969 is about 887.5973444504.

The spelling of 699274969 in words is "six hundred ninety-nine million, two hundred seventy-four thousand, nine hundred sixty-nine".