19233638242 has 32 divisors (see below), whose sum is σ = 35526355200. Its totient is φ = 7605033408.

The previous prime is 19233638239. The next prime is 19233638251. The reversal of 19233638242 is 24283633291.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345184 + ... + 397012.

It is an arithmetic number, because the mean of its divisors is an integer number (1110198600).

Almost surely, 2^19233638242 is an apocalyptic number.

19233638242 is a deficient number, since it is larger than the sum of its proper divisors (16292716958).

19233638242 is a wasteful number, since it uses less digits than its factorization.

19233638242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53890.

The product of its digits is 373248, while the sum is 43.

The spelling of 19233638242 in words is "nineteen billion, two hundred thirty-three million, six hundred thirty-eight thousand, two hundred forty-two".