19345280620 has 24 divisors (see below), whose sum is σ = 40640090400. Its totient is φ = 7735254912.

The previous prime is 19345280609. The next prime is 19345280627. The reversal of 19345280620 is 2608254391.

It is not an unprimeable number, because it can be changed into a prime (19345280627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122640 + ... + 231799.

It is an arithmetic number, because the mean of its divisors is an integer number (1693337100).

Almost surely, 2^19345280620 is an apocalyptic number.

19345280620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19345280620 is an abundant number, since it is smaller than the sum of its proper divisors (21294809780).

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

19345280620 is a wasteful number, since it uses less digits than its factorization.

19345280620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357177 (or 357175 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 19345280620 in words is "nineteen billion, three hundred forty-five million, two hundred eighty thousand, six hundred twenty".