19381260962 has 54 divisors (see below), whose sum is σ = 34764631569. Its totient is φ = 8103663120.

The previous prime is 19381260961. The next prime is 19381260989. The reversal of 19381260962 is 26906218391.

It can be written as a sum of positive squares in 2 ways, for example, as 13841287201 + 5539973761 = 117649^2 + 74431^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=98441.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19381260961) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 472713662 + ... + 472713702.

Almost surely, 2^19381260962 is an apocalyptic number.

19381260962 is a deficient number, since it is larger than the sum of its proper divisors (15383370607).

19381260962 is an frugal number, since it uses more digits than its factorization.

19381260962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 19381260962 in words is "nineteen billion, three hundred eighty-one million, two hundred sixty thousand, nine hundred sixty-two".