2354623732081 has 2 divisors, whose sum is σ = 2354623732082. Its totient is φ = 2354623732080.

The previous prime is 2354623732039. The next prime is 2354623732133. The reversal of 2354623732081 is 1802373264532.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1239234277681 + 1115389454400 = 1113209^2 + 1056120^2 .

It is a cyclic number.

It is not a de Polignac number, because 2354623732081 - 2²⁷ = 2354489514353 is a prime.

It is a super-2 number, since 2×2354623732081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2354623738081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1177311866040 + 1177311866041.

It is an arithmetic number, because the mean of its divisors is an integer number (1177311866041).

Almost surely, 2^{2354623732081} is an apocalyptic number.

It is an amenable number.

2354623732081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2354623732081 is an equidigital number, since it uses as much as digits as its factorization.

2354623732081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 2354623732081 in words is "two trillion, three hundred fifty-four billion, six hundred twenty-three million, seven hundred thirty-two thousand, eighty-one".