719379137980 has 24 divisors (see below), whose sum is σ = 1510760094480. Its totient is φ = 287739482880.

The previous prime is 719379137969. The next prime is 719379137987. The reversal of 719379137980 is 89731973917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (719379137987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268381 + ... + 1229140.

It is an arithmetic number, because the mean of its divisors is an integer number (62948337270).

Almost surely, 2^719379137980 is an apocalyptic number.

It is an amenable number.

719379137980 is an abundant number, since it is smaller than the sum of its proper divisors (791380956500).

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

719379137980 is a wasteful number, since it uses less digits than its factorization.

719379137980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521549 (or 1521547 counting only the distinct ones).

The product of its (nonzero) digits is 18003384, while the sum is 64.

The spelling of 719379137980 in words is "seven hundred nineteen billion, three hundred seventy-nine million, one hundred thirty-seven thousand, nine hundred eighty".