2038664431 has 2 divisors, whose sum is σ = 2038664432. Its totient is φ = 2038664430.

The previous prime is 2038664399. The next prime is 2038664461. The reversal of 2038664431 is 1344668302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2038664431 - 2⁵ = 2038664399 is a prime.

It is a super-2 number, since 2×2038664431² = 8312305324449107522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2038664461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1019332215 + 1019332216.

It is an arithmetic number, because the mean of its divisors is an integer number (1019332216).

Almost surely, 2^2038664431 is an apocalyptic number.

2038664431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2038664431 is an equidigital number, since it uses as much as digits as its factorization.

2038664431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 2038664431 is about 45151.5717445141. The cubic root of 2038664431 is about 1267.9883068628.

The spelling of 2038664431 in words is "two billion, thirty-eight million, six hundred sixty-four thousand, four hundred thirty-one".