47901213109 has 4 divisors (see below), whose sum is σ = 48920387904. Its totient is φ = 46882038316.

The previous prime is 47901213077. The next prime is 47901213131. The reversal of 47901213109 is 90131210974.

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 47901213109 - 2⁵ = 47901213077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47901213149) 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, 509587327 + ... + 509587420.

It is an arithmetic number, because the mean of its divisors is an integer number (12230096976).

Almost surely, 2^47901213109 is an apocalyptic number.

It is an amenable number.

47901213109 is a deficient number, since it is larger than the sum of its proper divisors (1019174795).

47901213109 is a wasteful number, since it uses less digits than its factorization.

47901213109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019174794.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 47901213109 in words is "forty-seven billion, nine hundred one million, two hundred thirteen thousand, one hundred nine".