19080749631 has 8 divisors (see below), whose sum is σ = 25486676784. Its totient is φ = 12697661120.

The previous prime is 19080749603. The next prime is 19080749647. The reversal of 19080749631 is 13694708091.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19080749631 - 2⁷ = 19080749503 is a prime.

It is a super-2 number, since 2×19080749631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19080759631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5707710 + ... + 5711051.

It is an arithmetic number, because the mean of its divisors is an integer number (3185834598).

Almost surely, 2^19080749631 is an apocalyptic number.

19080749631 is a deficient number, since it is larger than the sum of its proper divisors (6405927153).

19080749631 is a wasteful number, since it uses less digits than its factorization.

19080749631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11419321.

The product of its (nonzero) digits is 326592, while the sum is 48.

The spelling of 19080749631 in words is "nineteen billion, eighty million, seven hundred forty-nine thousand, six hundred thirty-one".