19207153428 has 48 divisors (see below), whose sum is σ = 47195400000. Its totient is φ = 6062853888.

The previous prime is 19207153423. The next prime is 19207153463. The reversal of 19207153428 is 82435170291.

It is a self number, because there is not a number n which added to its sum of digits gives 19207153428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19207153423) 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, 564648 + ... + 597696.

It is an arithmetic number, because the mean of its divisors is an integer number (983237500).

Almost surely, 2^19207153428 is an apocalyptic number.

It is an amenable number.

19207153428 is an abundant number, since it is smaller than the sum of its proper divisors (27988246572).

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

19207153428 is a wasteful number, since it uses less digits than its factorization.

19207153428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35624 (or 35622 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 19207153428 in words is "nineteen billion, two hundred seven million, one hundred fifty-three thousand, four hundred twenty-eight".