47922948631 has 4 divisors (see below), whose sum is σ = 47940786432. Its totient is φ = 47905110832.

The previous prime is 47922948629. The next prime is 47922948641. The reversal of 47922948631 is 13684922974.

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

It is a cyclic number.

It is not a de Polignac number, because 47922948631 - 2¹ = 47922948629 is a prime.

It is a super-2 number, since 2×47922948631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47922948641) 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, 8914870 + ... + 8920243.

It is an arithmetic number, because the mean of its divisors is an integer number (11985196608).

Almost surely, 2^47922948631 is an apocalyptic number.

47922948631 is a deficient number, since it is larger than the sum of its proper divisors (17837801).

47922948631 is a wasteful number, since it uses less digits than its factorization.

47922948631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17837800.

The product of its digits is 5225472, while the sum is 55.

The spelling of 47922948631 in words is "forty-seven billion, nine hundred twenty-two million, nine hundred forty-eight thousand, six hundred thirty-one".