38770842251 has 2 divisors, whose sum is σ = 38770842252. Its totient is φ = 38770842250.

The previous prime is 38770842203. The next prime is 38770842263. The reversal of 38770842251 is 15224807783.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38770842251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38770842196 and 38770842205.

It is not a weakly prime, because it can be changed into another prime (38770842281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19385421125 + 19385421126.

It is an arithmetic number, because the mean of its divisors is an integer number (19385421126).

Almost surely, 2^38770842251 is an apocalyptic number.

38770842251 is a deficient number, since it is larger than the sum of its proper divisors (1).

38770842251 is an equidigital number, since it uses as much as digits as its factorization.

38770842251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 38770842251 in words is "thirty-eight billion, seven hundred seventy million, eight hundred forty-two thousand, two hundred fifty-one".