19211313480 has 64 divisors (see below), whose sum is σ = 58445712000. Its totient is φ = 5050859520.

The previous prime is 19211313467. The next prime is 19211313487. The reversal of 19211313480 is 8431311291.

It is not an unprimeable number, because it can be changed into a prime (19211313487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1118905 + ... + 1135944.

It is an arithmetic number, because the mean of its divisors is an integer number (913214250).

Almost surely, 2^19211313480 is an apocalyptic number.

19211313480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19211313480 is an abundant number, since it is smaller than the sum of its proper divisors (39234398520).

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

19211313480 is a wasteful number, since it uses less digits than its factorization.

19211313480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254934 (or 2254930 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 19211313480 in words is "nineteen billion, two hundred eleven million, three hundred thirteen thousand, four hundred eighty".