190704432019 has 2 divisors, whose sum is σ = 190704432020. Its totient is φ = 190704432018.

The previous prime is 190704431963. The next prime is 190704432053. The reversal of 190704432019 is 910234407091.

It is a strong prime.

It is an emirp because it is prime and its reverse (910234407091) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190704432019 is a prime.

It is a super-2 number, since 2×190704432019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190704432089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95352216009 + 95352216010.

It is an arithmetic number, because the mean of its divisors is an integer number (95352216010).

Almost surely, 2^190704432019 is an apocalyptic number.

190704432019 is a deficient number, since it is larger than the sum of its proper divisors (1).

190704432019 is an equidigital number, since it uses as much as digits as its factorization.

190704432019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 190704432019 in words is "one hundred ninety billion, seven hundred four million, four hundred thirty-two thousand, nineteen".