42627361493 has 4 divisors (see below), whose sum is σ = 44097270540. Its totient is φ = 41157452448.

The previous prime is 42627361471. The next prime is 42627361523. The reversal of 42627361493 is 39416372624.

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 9988603249 + 32638758244 = 99943^2 + 180662^2 .

It is a cyclic number.

It is not a de Polignac number, because 42627361493 - 2⁸ = 42627361237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42627361423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734954480 + ... + 734954537.

It is an arithmetic number, because the mean of its divisors is an integer number (11024317635).

Almost surely, 2^42627361493 is an apocalyptic number.

It is an amenable number.

42627361493 is a deficient number, since it is larger than the sum of its proper divisors (1469909047).

42627361493 is a wasteful number, since it uses less digits than its factorization.

42627361493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469909046.

The product of its digits is 1306368, while the sum is 47.

The spelling of 42627361493 in words is "forty-two billion, six hundred twenty-seven million, three hundred sixty-one thousand, four hundred ninety-three".