68733455590 has 16 divisors (see below), whose sum is σ = 123770212272. Its totient is φ = 27482272864.

The previous prime is 68733455579. The next prime is 68733455639. The reversal of 68733455590 is 9555433786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1362664 + ... + 1412203.

It is an arithmetic number, because the mean of its divisors is an integer number (7735638267).

Almost surely, 2^68733455590 is an apocalyptic number.

68733455590 is a deficient number, since it is larger than the sum of its proper divisors (55036756682).

68733455590 is a wasteful number, since it uses less digits than its factorization.

68733455590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777351.

The product of its (nonzero) digits is 13608000, while the sum is 55.

The spelling of 68733455590 in words is "sixty-eight billion, seven hundred thirty-three million, four hundred fifty-five thousand, five hundred ninety".