68931363 has 4 divisors (see below), whose sum is σ = 91908488. Its totient is φ = 45954240.

The previous prime is 68931353. The next prime is 68931367. The reversal of 68931363 is 36313986.

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

It is a de Polignac number, because none of the positive numbers 2^k-68931363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68931367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11488558 + ... + 11488563.

It is an arithmetic number, because the mean of its divisors is an integer number (22977122).

Almost surely, 2^68931363 is an apocalyptic number.

68931363 is a deficient number, since it is larger than the sum of its proper divisors (22977125).

68931363 is a wasteful number, since it uses less digits than its factorization.

68931363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22977124.

The product of its digits is 69984, while the sum is 39.

The square root of 68931363 is about 8302.4913730759. The cubic root of 68931363 is about 410.0205482464.

It can be divided in two parts, 6893 and 1363, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 68931363 in words is "sixty-eight million, nine hundred thirty-one thousand, three hundred sixty-three".