19551841148 has 12 divisors (see below), whose sum is σ = 39103682352. Its totient is φ = 8379360480.

The previous prime is 19551841147. The next prime is 19551841157. The reversal of 19551841148 is 84114815591.

19551841148 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19551841147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349139993 + ... + 349140048.

It is an arithmetic number, because the mean of its divisors is an integer number (3258640196).

Almost surely, 2^19551841148 is an apocalyptic number.

It is an amenable number.

19551841148 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19551841148 is a wasteful number, since it uses less digits than its factorization.

19551841148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698280052 (or 698280050 counting only the distinct ones).

The product of its digits is 230400, while the sum is 47.

The spelling of 19551841148 in words is "nineteen billion, five hundred fifty-one million, eight hundred forty-one thousand, one hundred forty-eight".