73711916251 has 2 divisors, whose sum is σ = 73711916252. Its totient is φ = 73711916250.

The previous prime is 73711916189. The next prime is 73711916329. The reversal of 73711916251 is 15261911737.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73711916251 - 2²³ = 73703527643 is a prime.

It is a super-3 number, since 3×73711916251³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73711916198 and 73711916207.

It is not a weakly prime, because it can be changed into another prime (73711913251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36855958125 + 36855958126.

It is an arithmetic number, because the mean of its divisors is an integer number (36855958126).

Almost surely, 2^73711916251 is an apocalyptic number.

73711916251 is a deficient number, since it is larger than the sum of its proper divisors (1).

73711916251 is an equidigital number, since it uses as much as digits as its factorization.

73711916251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 43.

The spelling of 73711916251 in words is "seventy-three billion, seven hundred eleven million, nine hundred sixteen thousand, two hundred fifty-one".