68633568454 has 48 divisors (see below), whose sum is σ = 113707722240. Its totient is φ = 31046615600.

The previous prime is 68633568403. The next prime is 68633568469. The reversal of 68633568454 is 45486533686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75338259 + ... + 75339169.

It is an arithmetic number, because the mean of its divisors is an integer number (2368910880).

Almost surely, 2^68633568454 is an apocalyptic number.

68633568454 is a deficient number, since it is larger than the sum of its proper divisors (45074153786).

68633568454 is a wasteful number, since it uses less digits than its factorization.

68633568454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097 (or 2086 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 58.

The spelling of 68633568454 in words is "sixty-eight billion, six hundred thirty-three million, five hundred sixty-eight thousand, four hundred fifty-four".