38870046739 has 2 divisors, whose sum is σ = 38870046740. Its totient is φ = 38870046738.

The previous prime is 38870046617. The next prime is 38870046749. The reversal of 38870046739 is 93764007883.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38870046739 - 2⁹ = 38870046227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38870046739.

It is not a weakly prime, because it can be changed into another prime (38870046749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19435023369 + 19435023370.

It is an arithmetic number, because the mean of its divisors is an integer number (19435023370).

Almost surely, 2^38870046739 is an apocalyptic number.

38870046739 is a deficient number, since it is larger than the sum of its proper divisors (1).

38870046739 is an equidigital number, since it uses as much as digits as its factorization.

38870046739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 38870046739 in words is "thirty-eight billion, eight hundred seventy million, forty-six thousand, seven hundred thirty-nine".