73699147513 has 2 divisors, whose sum is σ = 73699147514. Its totient is φ = 73699147512.

The previous prime is 73699147471. The next prime is 73699147517. The reversal of 73699147513 is 31574199637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73694875024 + 4272489 = 271468^2 + 2067^2 .

It is a cyclic number.

It is not a de Polignac number, because 73699147513 - 2⁹ = 73699147001 is a prime.

It is not a weakly prime, because it can be changed into another prime (73699147517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36849573756 + 36849573757.

It is an arithmetic number, because the mean of its divisors is an integer number (36849573757).

Almost surely, 2^73699147513 is an apocalyptic number.

It is an amenable number.

73699147513 is a deficient number, since it is larger than the sum of its proper divisors (1).

73699147513 is an equidigital number, since it uses as much as digits as its factorization.

73699147513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4286520, while the sum is 55.

The spelling of 73699147513 in words is "seventy-three billion, six hundred ninety-nine million, one hundred forty-seven thousand, five hundred thirteen".