2451276661293 has 12 divisors (see below), whose sum is σ = 3543681124828. Its totient is φ = 1632823747200.

The previous prime is 2451276661271. The next prime is 2451276661313. The reversal of 2451276661293 is 3921666721542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 738889810569 + 1712386850724 = 859587^2 + 1308582^2 .

It is not a de Polignac number, because 2451276661293 - 2²² = 2451272466989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451976661293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113379730 + ... + 113401347.

Almost surely, 2^{2451276661293} is an apocalyptic number.

It is an amenable number.

2451276661293 is a deficient number, since it is larger than the sum of its proper divisors (1092404463535).

2451276661293 is a wasteful number, since it uses less digits than its factorization.

2451276661293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226782284 (or 226782281 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 2451276661293 in words is "two trillion, four hundred fifty-one billion, two hundred seventy-six million, six hundred sixty-one thousand, two hundred ninety-three".