19098461954 has 64 divisors (see below), whose sum is σ = 34532023680. Its totient is φ = 7805790720.

The previous prime is 19098461917. The next prime is 19098461959. The reversal of 19098461954 is 45916489091.

It is a self number, because there is not a number n which added to its sum of digits gives 19098461954.

It is not an unprimeable number, because it can be changed into a prime (19098461959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5027984 + ... + 5031780.

It is an arithmetic number, because the mean of its divisors is an integer number (539562870).

Almost surely, 2^19098461954 is an apocalyptic number.

19098461954 is a deficient number, since it is larger than the sum of its proper divisors (15433561726).

19098461954 is a wasteful number, since it uses less digits than its factorization.

19098461954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275.

The product of its (nonzero) digits is 2799360, while the sum is 56.

The spelling of 19098461954 in words is "nineteen billion, ninety-eight million, four hundred sixty-one thousand, nine hundred fifty-four".