47401662209 has 4 divisors (see below), whose sum is σ = 51710904240. Its totient is φ = 43092420180.

The previous prime is 47401662199. The next prime is 47401662229. The reversal of 47401662209 is 90226610474.

47401662209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 47401662209 - 2²⁰ = 47400613633 is a prime.

It is a super-2 number, since 2×47401662209² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47401662229) 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, 2154620999 + ... + 2154621020.

It is an arithmetic number, because the mean of its divisors is an integer number (12927726060).

Almost surely, 2^47401662209 is an apocalyptic number.

It is an amenable number.

47401662209 is a deficient number, since it is larger than the sum of its proper divisors (4309242031).

47401662209 is a wasteful number, since it uses less digits than its factorization.

47401662209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309242030.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 47401662209 in words is "forty-seven billion, four hundred one million, six hundred sixty-two thousand, two hundred nine".