47401689967 has 4 divisors (see below), whose sum is σ = 47402328600. Its totient is φ = 47401051336.

The previous prime is 47401689961. The next prime is 47401689971. The reversal of 47401689967 is 76998610474.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47401689967 is a prime.

It is a super-2 number, since 2×47401689967² (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 (47401689961) 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 in 3 ways as a sum of consecutive naturals, for example, 190717 + ... + 362182.

It is an arithmetic number, because the mean of its divisors is an integer number (11850582150).

Almost surely, 2^47401689967 is an apocalyptic number.

47401689967 is a deficient number, since it is larger than the sum of its proper divisors (638633).

47401689967 is an equidigital number, since it uses as much as digits as its factorization.

47401689967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638632.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 47401689967 in words is "forty-seven billion, four hundred one million, six hundred eighty-nine thousand, nine hundred sixty-seven".