19461242862 has 24 divisors (see below), whose sum is σ = 43999332624. Its totient is φ = 6205033824.

The previous prime is 19461242851. The next prime is 19461242863. The reversal of 19461242862 is 26824216491.

It is a happy number.

19461242862 is a `hidden beast` number, since 1 + 9 + 4 + 612 + 4 + 28 + 6 + 2 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19461242863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23503503 + ... + 23504330.

It is an arithmetic number, because the mean of its divisors is an integer number (1833305526).

Almost surely, 2^19461242862 is an apocalyptic number.

19461242862 is an abundant number, since it is smaller than the sum of its proper divisors (24538089762).

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

19461242862 is a wasteful number, since it uses less digits than its factorization.

19461242862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47007864 (or 47007861 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The spelling of 19461242862 in words is "nineteen billion, four hundred sixty-one million, two hundred forty-two thousand, eight hundred sixty-two".