274785051377 has 2 divisors, whose sum is σ = 274785051378. Its totient is φ = 274785051376.

The previous prime is 274785051319. The next prime is 274785051391. The reversal of 274785051377 is 773150587472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147033135601 + 127751915776 = 383449^2 + 357424^2 .

It is a cyclic number.

It is not a de Polignac number, because 274785051377 - 2¹⁸ = 274784789233 is a prime.

It is a super-2 number, since 2×274785051377² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (274785057377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137392525688 + 137392525689.

It is an arithmetic number, because the mean of its divisors is an integer number (137392525689).

Almost surely, 2^274785051377 is an apocalyptic number.

It is an amenable number.

274785051377 is a deficient number, since it is larger than the sum of its proper divisors (1).

274785051377 is an equidigital number, since it uses as much as digits as its factorization.

274785051377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11524800, while the sum is 56.

The spelling of 274785051377 in words is "two hundred seventy-four billion, seven hundred eighty-five million, fifty-one thousand, three hundred seventy-seven".