2634653393081 has 2 divisors, whose sum is σ = 2634653393082. Its totient is φ = 2634653393080.

The previous prime is 2634653392979. The next prime is 2634653393093. The reversal of 2634653393081 is 1803933564362.

2634653393081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1483667727481 + 1150985665600 = 1218059^2 + 1072840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2634653393081 - 2¹⁸ = 2634653130937 is a prime.

It is a super-2 number, since 2×2634653393081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2634653393381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317326696540 + 1317326696541.

It is an arithmetic number, because the mean of its divisors is an integer number (1317326696541).

Almost surely, 2^{2634653393081} is an apocalyptic number.

It is an amenable number.

2634653393081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2634653393081 is an equidigital number, since it uses as much as digits as its factorization.

2634653393081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8398080, while the sum is 53.

The spelling of 2634653393081 in words is "two trillion, six hundred thirty-four billion, six hundred fifty-three million, three hundred ninety-three thousand, eighty-one".