19080749629 has 8 divisors (see below), whose sum is σ = 20231979768. Its totient is φ = 17932723200.

The previous prime is 19080749603. The next prime is 19080749647. The reversal of 19080749629 is 92694708091.

It can be written as a sum of positive squares in 4 ways, for example, as 12077570404 + 7003179225 = 109898^2 + 83685^2 .

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 19080749629 - 2²¹ = 19078652477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19080749629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19080749029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788652 + ... + 812485.

It is an arithmetic number, because the mean of its divisors is an integer number (2528997471).

Almost surely, 2^19080749629 is an apocalyptic number.

It is an amenable number.

19080749629 is a deficient number, since it is larger than the sum of its proper divisors (1151230139).

19080749629 is a wasteful number, since it uses less digits than its factorization.

19080749629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601855.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 19080749629 in words is "nineteen billion, eighty million, seven hundred forty-nine thousand, six hundred twenty-nine".