709434384960 has 896 divisors, whose sum is σ = 2818025717760. Its totient is φ = 147557376000.

The previous prime is 709434384959. The next prime is 709434384977. The reversal of 709434384960 is 69483434907.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 709434384960.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 597669487 + ... + 597670673.

Almost surely, 2^709434384960 is an apocalyptic number.

709434384960 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 709434384960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1409012858880).

709434384960 is an abundant number, since it is smaller than the sum of its proper divisors (2108591332800).

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

709434384960 is a wasteful number, since it uses less digits than its factorization.

709434384960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 57.

The spelling of 709434384960 in words is "seven hundred nine billion, four hundred thirty-four million, three hundred eighty-four thousand, nine hundred sixty".