68262951037 has 4 divisors (see below), whose sum is σ = 68263574940. Its totient is φ = 68262327136.

The previous prime is 68262951007. The next prime is 68262951041. The reversal of 68262951037 is 73015926286.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 18892777401 + 49370173636 = 137451^2 + 222194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68262951037 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68262951007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99688 + ... + 382705.

It is an arithmetic number, because the mean of its divisors is an integer number (17065893735).

Almost surely, 2^68262951037 is an apocalyptic number.

It is an amenable number.

68262951037 is a deficient number, since it is larger than the sum of its proper divisors (623903).

68262951037 is a wasteful number, since it uses less digits than its factorization.

68262951037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623902.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 68262951037 in words is "sixty-eight billion, two hundred sixty-two million, nine hundred fifty-one thousand, thirty-seven".