708357490642 has 4 divisors (see below), whose sum is σ = 1062536235966. Its totient is φ = 354178745320.

The previous prime is 708357490639. The next prime is 708357490649. The reversal of 708357490642 is 246094753807.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 428581024921 + 279776465721 = 654661^2 + 528939^2 .

It is a super-2 number, since 2×708357490642² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (708357490649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177089372659 + ... + 177089372662.

Almost surely, 2^708357490642 is an apocalyptic number.

708357490642 is a deficient number, since it is larger than the sum of its proper divisors (354178745324).

708357490642 is a wasteful number, since it uses less digits than its factorization.

708357490642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354178745323.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 708357490642 in words is "seven hundred eight billion, three hundred fifty-seven million, four hundred ninety thousand, six hundred forty-two".