73774399051 has 2 divisors, whose sum is σ = 73774399052. Its totient is φ = 73774399050.

The previous prime is 73774399043. The next prime is 73774399063. The reversal of 73774399051 is 15099347737.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73774399051 - 2³ = 73774399043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73774398983 and 73774399001.

It is not a weakly prime, because it can be changed into another prime (73774399081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36887199525 + 36887199526.

It is an arithmetic number, because the mean of its divisors is an integer number (36887199526).

Almost surely, 2^73774399051 is an apocalyptic number.

73774399051 is a deficient number, since it is larger than the sum of its proper divisors (1).

73774399051 is an equidigital number, since it uses as much as digits as its factorization.

73774399051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5000940, while the sum is 55.

The spelling of 73774399051 in words is "seventy-three billion, seven hundred seventy-four million, three hundred ninety-nine thousand, fifty-one".