39149124919 has 2 divisors, whose sum is σ = 39149124920. Its totient is φ = 39149124918.

The previous prime is 39149124887. The next prime is 39149124953. The reversal of 39149124919 is 91942194193.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39149124919 - 2⁵ = 39149124887 is a prime.

It is a super-2 number, since 2×39149124919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39449124919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19574562459 + 19574562460.

It is an arithmetic number, because the mean of its divisors is an integer number (19574562460).

Almost surely, 2^39149124919 is an apocalyptic number.

39149124919 is a deficient number, since it is larger than the sum of its proper divisors (1).

39149124919 is an equidigital number, since it uses as much as digits as its factorization.

39149124919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 52.

The spelling of 39149124919 in words is "thirty-nine billion, one hundred forty-nine million, one hundred twenty-four thousand, nine hundred nineteen".