68413047203524 has 9 divisors (see below), whose sum is σ = 119722861555437. Its totient is φ = 34206515330544.

The previous prime is 68413047203513. The next prime is 68413047203563. The reversal of 68413047203524 is 42530274031486.

The square root of 68413047203524 is 8271218.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1694209417924 + 66718837785600 = 1301618^2 + 8168160^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14474632 + ... + 18610240.

Almost surely, 2^{68413047203524} is an apocalyptic number.

68413047203524 is the 8271218-th square number.

It is an amenable number.

68413047203524 is a deficient number, since it is larger than the sum of its proper divisors (51309814351913).

68413047203524 is an frugal number, since it uses more digits than its factorization.

68413047203524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8271222 (or 4135611 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 68413047203524 in words is "sixty-eight trillion, four hundred thirteen billion, forty-seven million, two hundred three thousand, five hundred twenty-four".