3516262080649 has 2 divisors, whose sum is σ = 3516262080650. Its totient is φ = 3516262080648.

The previous prime is 3516262080613. The next prime is 3516262080697. The reversal of 3516262080649 is 9460802626153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3434961823225 + 81300257424 = 1853365^2 + 285132^2 .

It is a cyclic number.

It is not a de Polignac number, because 3516262080649 - 2²⁷ = 3516127862921 is a prime.

It is a super-2 number, since 2×3516262080649² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3516262080596 and 3516262080605.

It is not a weakly prime, because it can be changed into another prime (3516268080649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1758131040324 + 1758131040325.

It is an arithmetic number, because the mean of its divisors is an integer number (1758131040325).

Almost surely, 2^{3516262080649} is an apocalyptic number.

It is an amenable number.

3516262080649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3516262080649 is an equidigital number, since it uses as much as digits as its factorization.

3516262080649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 3516262080649 in words is "three trillion, five hundred sixteen billion, two hundred sixty-two million, eighty thousand, six hundred forty-nine".