19789230254 has 8 divisors (see below), whose sum is σ = 29769390648. Its totient is φ = 9866100040.

The previous prime is 19789230233. The next prime is 19789230281. The reversal of 19789230254 is 45203298791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×19789230254² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14256677 + ... + 14258064.

It is an arithmetic number, because the mean of its divisors is an integer number (3721173831).

Almost surely, 2^19789230254 is an apocalyptic number.

19789230254 is a deficient number, since it is larger than the sum of its proper divisors (9980160394).

19789230254 is a wasteful number, since it uses less digits than its factorization.

19789230254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28515090.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 19789230254 in words is "nineteen billion, seven hundred eighty-nine million, two hundred thirty thousand, two hundred fifty-four".