69499513 has 2 divisors, whose sum is σ = 69499514. Its totient is φ = 69499512.

The previous prime is 69499501. The next prime is 69499543. The reversal of 69499513 is 31599496.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59783824 + 9715689 = 7732^2 + 3117^2 .

It is a cyclic number.

It is not a de Polignac number, because 69499513 - 2¹⁷ = 69368441 is a prime.

It is not a weakly prime, because it can be changed into another prime (69499543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34749756 + 34749757.

It is an arithmetic number, because the mean of its divisors is an integer number (34749757).

Almost surely, 2^69499513 is an apocalyptic number.

It is an amenable number.

69499513 is a deficient number, since it is larger than the sum of its proper divisors (1).

69499513 is an equidigital number, since it uses as much as digits as its factorization.

69499513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 46.

The square root of 69499513 is about 8336.6367918964. The cubic root of 69499513 is about 411.1439656047.

The spelling of 69499513 in words is "sixty-nine million, four hundred ninety-nine thousand, five hundred thirteen".