274706947968553 has 2 divisors, whose sum is σ = 274706947968554. Its totient is φ = 274706947968552.

The previous prime is 274706947968469. The next prime is 274706947968611. The reversal of 274706947968553 is 355869749607472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228608442758809 + 46098505209744 = 15119803^2 + 6789588^2 .

It is a cyclic number.

It is not a de Polignac number, because 274706947968553 - 2²¹ = 274706945871401 is a prime.

It is not a weakly prime, because it can be changed into another prime (274706947968253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137353473984276 + 137353473984277.

It is an arithmetic number, because the mean of its divisors is an integer number (137353473984277).

Almost surely, 2^{274706947968553} is an apocalyptic number.

It is an amenable number.

274706947968553 is a deficient number, since it is larger than the sum of its proper divisors (1).

274706947968553 is an equidigital number, since it uses as much as digits as its factorization.

274706947968553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19203609600, while the sum is 82.

The spelling of 274706947968553 in words is "two hundred seventy-four trillion, seven hundred six billion, nine hundred forty-seven million, nine hundred sixty-eight thousand, five hundred fifty-three".