38970747553 has 2 divisors, whose sum is σ = 38970747554. Its totient is φ = 38970747552.

The previous prime is 38970747547. The next prime is 38970747593. The reversal of 38970747553 is 35574707983.

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., 29301565329 + 9669182224 = 171177^2 + 98332^2 .

It is a cyclic number.

It is not a de Polignac number, because 38970747553 - 2²⁵ = 38937193121 is a prime.

It is not a weakly prime, because it can be changed into another prime (38970747523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19485373776 + 19485373777.

It is an arithmetic number, because the mean of its divisors is an integer number (19485373777).

Almost surely, 2^38970747553 is an apocalyptic number.

It is an amenable number.

38970747553 is a deficient number, since it is larger than the sum of its proper divisors (1).

38970747553 is an equidigital number, since it uses as much as digits as its factorization.

38970747553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22226400, while the sum is 58.

The spelling of 38970747553 in words is "thirty-eight billion, nine hundred seventy million, seven hundred forty-seven thousand, five hundred fifty-three".