4631889013 has 2 divisors, whose sum is σ = 4631889014. Its totient is φ = 4631889012.

The previous prime is 4631888999. The next prime is 4631889061. The reversal of 4631889013 is 3109881364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4568813649 + 63075364 = 67593^2 + 7942^2 .

It is a cyclic number.

It is not a de Polignac number, because 4631889013 - 2⁵ = 4631888981 is a prime.

It is a super-2 number, since 2×4631889013² = 42908791657500228338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4631889083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2315944506 + 2315944507.

It is an arithmetic number, because the mean of its divisors is an integer number (2315944507).

Almost surely, 2^4631889013 is an apocalyptic number.

It is an amenable number.

4631889013 is a deficient number, since it is larger than the sum of its proper divisors (1).

4631889013 is an equidigital number, since it uses as much as digits as its factorization.

4631889013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 4631889013 is about 68057.9827279651. The cubic root of 4631889013 is about 1666.9377485775.

The spelling of 4631889013 in words is "four billion, six hundred thirty-one million, eight hundred eighty-nine thousand, thirteen".