47127640426 has 4 divisors (see below), whose sum is σ = 70691460642. Its totient is φ = 23563820212.

The previous prime is 47127640423. The next prime is 47127640493. The reversal of 47127640426 is 62404672174.

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

It can be written as a sum of positive squares in only one way, i.e., 41267891025 + 5859749401 = 203145^2 + 76549^2 .

It is a super-2 number, since 2×47127640426² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47127640423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11781910105 + ... + 11781910108.

Almost surely, 2^47127640426 is an apocalyptic number.

47127640426 is a deficient number, since it is larger than the sum of its proper divisors (23563820216).

47127640426 is a wasteful number, since it uses less digits than its factorization.

47127640426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23563820215.

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 47127640426 in words is "forty-seven billion, one hundred twenty-seven million, six hundred forty thousand, four hundred twenty-six".