68281801437 has 32 divisors (see below), whose sum is σ = 96358993920. Its totient is φ = 42889547520.

The previous prime is 68281801397. The next prime is 68281801451. The reversal of 68281801437 is 73410818286.

It is not a de Polignac number, because 68281801437 - 2⁷ = 68281801309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68281801477) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17297698 + ... + 17301644.

It is an arithmetic number, because the mean of its divisors is an integer number (3011218560).

Almost surely, 2^68281801437 is an apocalyptic number.

It is an amenable number.

68281801437 is a deficient number, since it is larger than the sum of its proper divisors (28077192483).

68281801437 is a wasteful number, since it uses less digits than its factorization.

68281801437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553.

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 68281801437 in words is "sixty-eight billion, two hundred eighty-one million, eight hundred one thousand, four hundred thirty-seven".