69516413 has 2 divisors, whose sum is σ = 69516414. Its totient is φ = 69516412.

The previous prime is 69516409. The next prime is 69516427. The reversal of 69516413 is 31461596.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56821444 + 12694969 = 7538^2 + 3563^2 .

It is a cyclic number.

It is not a de Polignac number, because 69516413 - 2² = 69516409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69516493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34758206 + 34758207.

It is an arithmetic number, because the mean of its divisors is an integer number (34758207).

Almost surely, 2^69516413 is an apocalyptic number.

It is an amenable number.

69516413 is a deficient number, since it is larger than the sum of its proper divisors (1).

69516413 is an equidigital number, since it uses as much as digits as its factorization.

69516413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 69516413 is about 8337.6503284798. The cubic root of 69516413 is about 411.1772884756.

The spelling of 69516413 in words is "sixty-nine million, five hundred sixteen thousand, four hundred thirteen".