47541949889 has 4 divisors (see below), whose sum is σ = 54333657024. Its totient is φ = 40750242756.

The previous prime is 47541949859. The next prime is 47541949943. The reversal of 47541949889 is 98894914574.

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 47541949889 - 2²⁰ = 47540901313 is a prime.

It is a super-2 number, since 2×47541949889² (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 (47541949859) 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, 3395853557 + ... + 3395853570.

It is an arithmetic number, because the mean of its divisors is an integer number (13583414256).

Almost surely, 2^47541949889 is an apocalyptic number.

It is an amenable number.

47541949889 is a deficient number, since it is larger than the sum of its proper divisors (6791707135).

47541949889 is an equidigital number, since it uses as much as digits as its factorization.

47541949889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6791707134.

The product of its digits is 104509440, while the sum is 68.

The spelling of 47541949889 in words is "forty-seven billion, five hundred forty-one million, nine hundred forty-nine thousand, eight hundred eighty-nine".