3512164681 has 2 divisors, whose sum is σ = 3512164682. Its totient is φ = 3512164680.

The previous prime is 3512164637. The next prime is 3512164703. The reversal of 3512164681 is 1864612153.

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., 3332175625 + 179989056 = 57725^2 + 13416^2 .

It is a cyclic number.

It is not a de Polignac number, because 3512164681 - 2⁹ = 3512164169 is a prime.

It is a super-4 number, since 4×3512164681⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 3512164681.

It is not a weakly prime, because it can be changed into another prime (3512164781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1756082340 + 1756082341.

It is an arithmetic number, because the mean of its divisors is an integer number (1756082341).

Almost surely, 2^3512164681 is an apocalyptic number.

It is an amenable number.

3512164681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3512164681 is an equidigital number, since it uses as much as digits as its factorization.

3512164681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The square root of 3512164681 is about 59263.5189724674. The cubic root of 3512164681 is about 1520.0514584668.

The spelling of 3512164681 in words is "three billion, five hundred twelve million, one hundred sixty-four thousand, six hundred eighty-one".