3564733697081 has 2 divisors, whose sum is σ = 3564733697082. Its totient is φ = 3564733697080.

The previous prime is 3564733696991. The next prime is 3564733697093. The reversal of 3564733697081 is 1807963374653.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2918832154681 + 645901542400 = 1708459^2 + 803680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3564733697081 is a prime.

It is a super-2 number, since 2×3564733697081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3564733697281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1782366848540 + 1782366848541.

It is an arithmetic number, because the mean of its divisors is an integer number (1782366848541).

Almost surely, 2^{3564733697081} is an apocalyptic number.

It is an amenable number.

3564733697081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3564733697081 is an equidigital number, since it uses as much as digits as its factorization.

3564733697081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68584320, while the sum is 62.

The spelling of 3564733697081 in words is "three trillion, five hundred sixty-four billion, seven hundred thirty-three million, six hundred ninety-seven thousand, eighty-one".