19627880994 has 24 divisors (see below), whose sum is σ = 42564068352. Its totient is φ = 6536935800.

The previous prime is 19627880989. The next prime is 19627880999. The reversal of 19627880994 is 49908872691.

It is an interprime number because it is at equal distance from previous prime (19627880989) and next prime (19627880999).

It is not an unprimeable number, because it can be changed into a prime (19627880999) 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, 452974 + ... + 494409.

It is an arithmetic number, because the mean of its divisors is an integer number (1773502848).

Almost surely, 2^19627880994 is an apocalyptic number.

19627880994 is an abundant number, since it is smaller than the sum of its proper divisors (22936187358).

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

19627880994 is a wasteful number, since it uses less digits than its factorization.

19627880994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948542 (or 948539 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 19627880994 in words is "nineteen billion, six hundred twenty-seven million, eight hundred eighty thousand, nine hundred ninety-four".