19042660484 has 6 divisors (see below), whose sum is σ = 33324655854. Its totient is φ = 9521330240.

The previous prime is 19042660477. The next prime is 19042660519. The reversal of 19042660484 is 48406624091.

It can be written as a sum of positive squares in only one way, i.e., 17935102084 + 1107558400 = 133922^2 + 33280^2 .

It is a super-2 number, since 2×19042660484² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2380332557 + ... + 2380332564.

It is an arithmetic number, because the mean of its divisors is an integer number (5554109309).

Almost surely, 2^19042660484 is an apocalyptic number.

It is an amenable number.

19042660484 is a deficient number, since it is larger than the sum of its proper divisors (14281995370).

19042660484 is a wasteful number, since it uses less digits than its factorization.

19042660484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4760665125 (or 4760665123 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 19042660484 in words is "nineteen billion, forty-two million, six hundred sixty thousand, four hundred eighty-four".