274663871953 has 2 divisors, whose sum is σ = 274663871954. Its totient is φ = 274663871952.

The previous prime is 274663871897. The next prime is 274663872013. The reversal of 274663871953 is 359178366472.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150783102864 + 123880769089 = 388308^2 + 351967^2 .

It is a cyclic number.

It is not a de Polignac number, because 274663871953 - 2²⁹ = 274127001041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 274663871891 and 274663871900.

It is not a weakly prime, because it can be changed into another prime (274663871353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137331935976 + 137331935977.

It is an arithmetic number, because the mean of its divisors is an integer number (137331935977).

Almost surely, 2^274663871953 is an apocalyptic number.

It is an amenable number.

274663871953 is a deficient number, since it is larger than the sum of its proper divisors (1).

274663871953 is an equidigital number, since it uses as much as digits as its factorization.

274663871953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45722880, while the sum is 61.

The spelling of 274663871953 in words is "two hundred seventy-four billion, six hundred sixty-three million, eight hundred seventy-one thousand, nine hundred fifty-three".