6239013881 has 2 divisors, whose sum is σ = 6239013882. Its totient is φ = 6239013880.

The previous prime is 6239013877. The next prime is 6239013899. The reversal of 6239013881 is 1883109326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5694211600 + 544802281 = 75460^2 + 23341^2 .

It is a cyclic number.

It is not a de Polignac number, because 6239013881 - 2² = 6239013877 is a prime.

It is a super-2 number, since 2×6239013881² = 77850588414621364322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6239013871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3119506940 + 3119506941.

It is an arithmetic number, because the mean of its divisors is an integer number (3119506941).

Almost surely, 2^6239013881 is an apocalyptic number.

It is an amenable number.

6239013881 is a deficient number, since it is larger than the sum of its proper divisors (1).

6239013881 is an equidigital number, since it uses as much as digits as its factorization.

6239013881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 6239013881 is about 78987.4286263327. The cubic root of 6239013881 is about 1840.9358307616.

The spelling of 6239013881 in words is "six billion, two hundred thirty-nine million, thirteen thousand, eight hundred eighty-one".