19150512807 has 4 divisors (see below), whose sum is σ = 25534017080. Its totient is φ = 12767008536.

The previous prime is 19150512791. The next prime is 19150512833. The reversal of 19150512807 is 70821505191.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 19150512807 - 2⁴ = 19150512791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19150512847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3191752132 + ... + 3191752137.

It is an arithmetic number, because the mean of its divisors is an integer number (6383504270).

Almost surely, 2^19150512807 is an apocalyptic number.

19150512807 is a deficient number, since it is larger than the sum of its proper divisors (6383504273).

19150512807 is an equidigital number, since it uses as much as digits as its factorization.

19150512807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6383504272.

The product of its (nonzero) digits is 25200, while the sum is 39.

The spelling of 19150512807 in words is "nineteen billion, one hundred fifty million, five hundred twelve thousand, eight hundred seven".