38970747547 has 2 divisors, whose sum is σ = 38970747548. Its totient is φ = 38970747546.

The previous prime is 38970747533. The next prime is 38970747553. The reversal of 38970747547 is 74574707983.

38970747547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38970747547 - 2²⁷ = 38836529819 is a prime.

It is not a weakly prime, because it can be changed into another prime (38970747247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19485373773 + 19485373774.

It is an arithmetic number, because the mean of its divisors is an integer number (19485373774).

Almost surely, 2^38970747547 is an apocalyptic number.

38970747547 is a deficient number, since it is larger than the sum of its proper divisors (1).

38970747547 is an equidigital number, since it uses as much as digits as its factorization.

38970747547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41489280, while the sum is 61.

The spelling of 38970747547 in words is "thirty-eight billion, nine hundred seventy million, seven hundred forty-seven thousand, five hundred forty-seven".