2463654464981 has 2 divisors, whose sum is σ = 2463654464982. Its totient is φ = 2463654464980.

The previous prime is 2463654464927. The next prime is 2463654465043. The reversal of 2463654464981 is 1894644563642.

It is a happy number.

It is an a-pointer prime, because the next prime (2463654465043) can be obtained adding 2463654464981 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1651826434756 + 811828030225 = 1285234^2 + 901015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2463654464981 - 2³⁸ = 2188776558037 is a prime.

It is a super-2 number, since 2×2463654464981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2463654464581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1231827232490 + 1231827232491.

It is an arithmetic number, because the mean of its divisors is an integer number (1231827232491).

Almost surely, 2^{2463654464981} is an apocalyptic number.

It is an amenable number.

2463654464981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2463654464981 is an equidigital number, since it uses as much as digits as its factorization.

2463654464981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119439360, while the sum is 62.

The spelling of 2463654464981 in words is "two trillion, four hundred sixty-three billion, six hundred fifty-four million, four hundred sixty-four thousand, nine hundred eighty-one".