19145464098 has 16 divisors (see below), whose sum is σ = 38297343360. Its totient is φ = 6380752176.

The previous prime is 19145464049. The next prime is 19145464157. The reversal of 19145464098 is 89046454191.

It is a self number, because there is not a number n which added to its sum of digits gives 19145464098.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228058 + ... + 300501.

It is an arithmetic number, because the mean of its divisors is an integer number (2393583960).

Almost surely, 2^19145464098 is an apocalyptic number.

19145464098 is an abundant number, since it is smaller than the sum of its proper divisors (19151879262).

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

19145464098 is a wasteful number, since it uses less digits than its factorization.

19145464098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534601.

The product of its (nonzero) digits is 1244160, while the sum is 51.

It can be divided in two parts, 191454 and 64098, that added together give a palindrome (255552).

The spelling of 19145464098 in words is "nineteen billion, one hundred forty-five million, four hundred sixty-four thousand, ninety-eight".