19294749292 has 24 divisors (see below), whose sum is σ = 41557922336. Its totient is φ = 7633087488.

The previous prime is 19294749283. The next prime is 19294749293. The reversal of 19294749292 is 29294749291.

It is a super-2 number, since 2×19294749292² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19294749293) 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, 26503413 + ... + 26504140.

Almost surely, 2^19294749292 is an apocalyptic number.

It is an amenable number.

19294749292 is an abundant number, since it is smaller than the sum of its proper divisors (22263173044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19294749292 is a wasteful number, since it uses less digits than its factorization.

19294749292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53007577 (or 53007575 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 58.

Subtracting 19294749292 from its reverse (29294749291), we obtain a palindrome (9999999999).

The spelling of 19294749292 in words is "nineteen billion, two hundred ninety-four million, seven hundred forty-nine thousand, two hundred ninety-two".