19748029874 has 16 divisors (see below), whose sum is σ = 29922921600. Its totient is φ = 9773899344.

The previous prime is 19748029799. The next prime is 19748029879. The reversal of 19748029874 is 47892084791.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19748029879) 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, 182909 + ... + 270095.

It is an arithmetic number, because the mean of its divisors is an integer number (1870182600).

Almost surely, 2^19748029874 is an apocalyptic number.

19748029874 is a deficient number, since it is larger than the sum of its proper divisors (10174891726).

19748029874 is a wasteful number, since it uses less digits than its factorization.

19748029874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88337.

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 19748029874 in words is "nineteen billion, seven hundred forty-eight million, twenty-nine thousand, eight hundred seventy-four".