709234354512 has 160 divisors (see below), whose sum is σ = 2043058680320. Its totient is φ = 235566144000.

The previous prime is 709234354483. The next prime is 709234354529. The reversal of 709234354512 is 215453432907.

It is a happy number.

709234354512 is a `hidden beast` number, since 7 + 0 + 92 + 3 + 4 + 3 + 545 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154481337 + ... + 154485927.

It is an arithmetic number, because the mean of its divisors is an integer number (12769116752).

Almost surely, 2^709234354512 is an apocalyptic number.

709234354512 is a gapful number since it is divisible by the number (72) 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 709234354512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021529340160).

709234354512 is an abundant number, since it is smaller than the sum of its proper divisors (1333824325808).

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

709234354512 is a wasteful number, since it uses less digits than its factorization.

709234354512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5810 (or 5798 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 709234354512 in words is "seven hundred nine billion, two hundred thirty-four million, three hundred fifty-four thousand, five hundred twelve".