4312653581 has 2 divisors, whose sum is σ = 4312653582. Its totient is φ = 4312653580.

The previous prime is 4312653577. The next prime is 4312653599. The reversal of 4312653581 is 1853562134.

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., 4284880681 + 27772900 = 65459^2 + 5270^2 .

It is a cyclic number.

It is not a de Polignac number, because 4312653581 - 2² = 4312653577 is a prime.

It is a super-2 number, since 2×4312653581² = 37197961819424247122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4312653281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156326790 + 2156326791.

It is an arithmetic number, because the mean of its divisors is an integer number (2156326791).

Almost surely, 2^4312653581 is an apocalyptic number.

It is an amenable number.

4312653581 is a deficient number, since it is larger than the sum of its proper divisors (1).

4312653581 is an equidigital number, since it uses as much as digits as its factorization.

4312653581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 38.

The square root of 4312653581 is about 65670.7970181572. The cubic root of 4312653581 is about 1627.7268401603.

The spelling of 4312653581 in words is "four billion, three hundred twelve million, six hundred fifty-three thousand, five hundred eighty-one".