7340665052881 has 2 divisors, whose sum is σ = 7340665052882. Its totient is φ = 7340665052880.

The previous prime is 7340665052827. The next prime is 7340665052933. The reversal of 7340665052881 is 1882505660437.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4964162241600 + 2376502811281 = 2228040^2 + 1541591^2 .

It is a cyclic number.

It is not a de Polignac number, because 7340665052881 - 2²³ = 7340656664273 is a prime.

It is a super-2 number, since 2×7340665052881² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7340665032881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3670332526440 + 3670332526441.

It is an arithmetic number, because the mean of its divisors is an integer number (3670332526441).

Almost surely, 2^{7340665052881} is an apocalyptic number.

It is an amenable number.

7340665052881 is a deficient number, since it is larger than the sum of its proper divisors (1).

7340665052881 is an equidigital number, since it uses as much as digits as its factorization.

7340665052881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 7340665052881 in words is "seven trillion, three hundred forty billion, six hundred sixty-five million, fifty-two thousand, eight hundred eighty-one".