19368450348 has 48 divisors (see below), whose sum is σ = 49856515296. Its totient is φ = 5814167040.

The previous prime is 19368450331. The next prime is 19368450407. The reversal of 19368450348 is 84305486391.

It is a super-2 number, since 2×19368450348² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19368450348.

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, 1507711 + ... + 1520502.

It is an arithmetic number, because the mean of its divisors is an integer number (1038677402).

Almost surely, 2^19368450348 is an apocalyptic number.

It is an amenable number.

19368450348 is an abundant number, since it is smaller than the sum of its proper divisors (30488064948).

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

19368450348 is a wasteful number, since it uses less digits than its factorization.

19368450348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028274 (or 3028272 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 19368450348 in words is "nineteen billion, three hundred sixty-eight million, four hundred fifty thousand, three hundred forty-eight".