68402431703 has 2 divisors, whose sum is σ = 68402431704. Its totient is φ = 68402431702.

The previous prime is 68402431697. The next prime is 68402431711. The reversal of 68402431703 is 30713420486.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68402431703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68402431723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34201215851 + 34201215852.

It is an arithmetic number, because the mean of its divisors is an integer number (34201215852).

Almost surely, 2^68402431703 is an apocalyptic number.

68402431703 is a deficient number, since it is larger than the sum of its proper divisors (1).

68402431703 is an equidigital number, since it uses as much as digits as its factorization.

68402431703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 68402431703 in words is "sixty-eight billion, four hundred two million, four hundred thirty-one thousand, seven hundred three".