4315651381 has 2 divisors, whose sum is σ = 4315651382. Its totient is φ = 4315651380.

The previous prime is 4315651357. The next prime is 4315651427. The reversal of 4315651381 is 1831565134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4027806225 + 287845156 = 63465^2 + 16966^2 .

It is a cyclic number.

It is not a de Polignac number, because 4315651381 - 2¹¹ = 4315649333 is a prime.

It is a super-2 number, since 2×4315651381² = 37249693684654414322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4315651381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4315651481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2157825690 + 2157825691.

It is an arithmetic number, because the mean of its divisors is an integer number (2157825691).

Almost surely, 2^4315651381 is an apocalyptic number.

It is an amenable number.

4315651381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4315651381 is an equidigital number, since it uses as much as digits as its factorization.

4315651381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 37.

The square root of 4315651381 is about 65693.6175058125. The cubic root of 4315651381 is about 1628.1039064866.

The spelling of 4315651381 in words is "four billion, three hundred fifteen million, six hundred fifty-one thousand, three hundred eighty-one".