39100000019 has 2 divisors, whose sum is σ = 39100000020. Its totient is φ = 39100000018.

The previous prime is 39100000001. The next prime is 39100000031. The reversal of 39100000019 is 91000000193.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39100000019 - 2¹² = 39099995923 is a prime.

It is a super-2 number, since 2×39100000019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39100000039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19550000009 + 19550000010.

It is an arithmetic number, because the mean of its divisors is an integer number (19550000010).

Almost surely, 2^39100000019 is an apocalyptic number.

39100000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

39100000019 is an equidigital number, since it uses as much as digits as its factorization.

39100000019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 23.

The spelling of 39100000019 in words is "thirty-nine billion, one hundred million, nineteen", and thus it is an aban number.