19435230744 has 32 divisors (see below), whose sum is σ = 48720491520. Its totient is φ = 6460754976.

The previous prime is 19435230743. The next prime is 19435230767. The reversal of 19435230744 is 44703253491.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19435230696 and 19435230705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19435230743) 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, 1094464 + ... + 1112079.

It is an arithmetic number, because the mean of its divisors is an integer number (1522515360).

Almost surely, 2^19435230744 is an apocalyptic number.

It is an amenable number.

19435230744 is an abundant number, since it is smaller than the sum of its proper divisors (29285260776).

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

19435230744 is a wasteful number, since it uses less digits than its factorization.

19435230744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206919 (or 2206915 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 19435230744 in words is "nineteen billion, four hundred thirty-five million, two hundred thirty thousand, seven hundred forty-four".