42650726377 has 4 divisors (see below), whose sum is σ = 48743687296. Its totient is φ = 36557765460.

The previous prime is 42650726347. The next prime is 42650726381. The reversal of 42650726377 is 77362705624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42650726377 is a prime.

It is a super-2 number, since 2×42650726377² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42650726377.

It is not an unprimeable number, because it can be changed into a prime (42650726347) 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, 3046480449 + ... + 3046480462.

It is an arithmetic number, because the mean of its divisors is an integer number (12185921824).

Almost surely, 2^42650726377 is an apocalyptic number.

It is an amenable number.

42650726377 is a deficient number, since it is larger than the sum of its proper divisors (6092960919).

42650726377 is an equidigital number, since it uses as much as digits as its factorization.

42650726377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092960918.

The product of its (nonzero) digits is 2963520, while the sum is 49.

The spelling of 42650726377 in words is "forty-two billion, six hundred fifty million, seven hundred twenty-six thousand, three hundred seventy-seven".