73775510251 has 2 divisors, whose sum is σ = 73775510252. Its totient is φ = 73775510250.

The previous prime is 73775510141. The next prime is 73775510257. The reversal of 73775510251 is 15201557737.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73775510251 - 2¹⁵ = 73775477483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73775510198 and 73775510207.

It is not a weakly prime, because it can be changed into another prime (73775510257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36887755125 + 36887755126.

It is an arithmetic number, because the mean of its divisors is an integer number (36887755126).

Almost surely, 2^73775510251 is an apocalyptic number.

73775510251 is a deficient number, since it is larger than the sum of its proper divisors (1).

73775510251 is an equidigital number, since it uses as much as digits as its factorization.

73775510251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 257250, while the sum is 43.

The spelling of 73775510251 in words is "seventy-three billion, seven hundred seventy-five million, five hundred ten thousand, two hundred fifty-one".