38013451747 has 2 divisors, whose sum is σ = 38013451748. Its totient is φ = 38013451746.

The previous prime is 38013451739. The next prime is 38013451757. The reversal of 38013451747 is 74715431083.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (74715431083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38013451747 - 2³ = 38013451739 is a prime.

It is not a weakly prime, because it can be changed into another prime (38013451727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19006725873 + 19006725874.

It is an arithmetic number, because the mean of its divisors is an integer number (19006725874).

Almost surely, 2^38013451747 is an apocalyptic number.

38013451747 is a deficient number, since it is larger than the sum of its proper divisors (1).

38013451747 is an equidigital number, since it uses as much as digits as its factorization.

38013451747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 38013451747 in words is "thirty-eight billion, thirteen million, four hundred fifty-one thousand, seven hundred forty-seven".