19028927945 has 16 divisors (see below), whose sum is σ = 22970787840. Its totient is φ = 15132542400.

The previous prime is 19028927933. The next prime is 19028927947. The reversal of 19028927945 is 54972982091.

It is not a de Polignac number, because 19028927945 - 2⁸ = 19028927689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19028927947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1482455 + ... + 1495235.

It is an arithmetic number, because the mean of its divisors is an integer number (1435674240).

Almost surely, 2^19028927945 is an apocalyptic number.

It is an amenable number.

19028927945 is a deficient number, since it is larger than the sum of its proper divisors (3941859895).

19028927945 is a wasteful number, since it uses less digits than its factorization.

19028927945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14536.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 19028927945 in words is "nineteen billion, twenty-eight million, nine hundred twenty-seven thousand, nine hundred forty-five".