2402242431481 has 2 divisors, whose sum is σ = 2402242431482. Its totient is φ = 2402242431480.

The previous prime is 2402242431443. The next prime is 2402242431493. The reversal of 2402242431481 is 1841342422042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2302396543225 + 99845888256 = 1517365^2 + 315984^2 .

It is a cyclic number.

It is not a de Polignac number, because 2402242431481 - 2⁹ = 2402242430969 is a prime.

It is a super-2 number, since 2×2402242431481² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2402242431481.

It is not a weakly prime, because it can be changed into another prime (2402242431581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201121215740 + 1201121215741.

It is an arithmetic number, because the mean of its divisors is an integer number (1201121215741).

Almost surely, 2^{2402242431481} is an apocalyptic number.

It is an amenable number.

2402242431481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2402242431481 is an equidigital number, since it uses as much as digits as its factorization.

2402242431481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98304, while the sum is 37.

The spelling of 2402242431481 in words is "two trillion, four hundred two billion, two hundred forty-two million, four hundred thirty-one thousand, four hundred eighty-one".