62427817993 has 4 divisors (see below), whose sum is σ = 62438410260. Its totient is φ = 62417225728.

The previous prime is 62427817891. The next prime is 62427818017. The reversal of 62427817993 is 39971872426.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49913368569 + 12514449424 = 223413^2 + 111868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-62427817993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (62427817693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5287288 + ... + 5299081.

It is an arithmetic number, because the mean of its divisors is an integer number (15609602565).

Almost surely, 2^62427817993 is an apocalyptic number.

It is an amenable number.

62427817993 is a deficient number, since it is larger than the sum of its proper divisors (10592267).

62427817993 is a wasteful number, since it uses less digits than its factorization.

62427817993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10592266.

The product of its digits is 9144576, while the sum is 58.

The spelling of 62427817993 in words is "sixty-two billion, four hundred twenty-seven million, eight hundred seventeen thousand, nine hundred ninety-three".