19601449798 has 32 divisors (see below), whose sum is σ = 34803820800. Its totient is φ = 8100998304.

The previous prime is 19601449789. The next prime is 19601449811. The reversal of 19601449798 is 89794410691.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

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, 306573 + ... + 364951.

It is an arithmetic number, because the mean of its divisors is an integer number (1087619400).

Almost surely, 2^19601449798 is an apocalyptic number.

19601449798 is a deficient number, since it is larger than the sum of its proper divisors (15202371002).

19601449798 is a wasteful number, since it uses less digits than its factorization.

19601449798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59244.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 19601449798 in words is "nineteen billion, six hundred one million, four hundred forty-nine thousand, seven hundred ninety-eight".