38529746513 has 2 divisors, whose sum is σ = 38529746514. Its totient is φ = 38529746512.

The previous prime is 38529746483. The next prime is 38529746557. The reversal of 38529746513 is 31564792583.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32201225809 + 6328520704 = 179447^2 + 79552^2 .

It is a cyclic number.

It is not a de Polignac number, because 38529746513 - 2⁶ = 38529746449 is a prime.

It is not a weakly prime, because it can be changed into another prime (38529746813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19264873256 + 19264873257.

It is an arithmetic number, because the mean of its divisors is an integer number (19264873257).

Almost surely, 2^38529746513 is an apocalyptic number.

It is an amenable number.

38529746513 is a deficient number, since it is larger than the sum of its proper divisors (1).

38529746513 is an equidigital number, since it uses as much as digits as its factorization.

38529746513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 53.

The spelling of 38529746513 in words is "thirty-eight billion, five hundred twenty-nine million, seven hundred forty-six thousand, five hundred thirteen".