47131619 has 8 divisors (see below), whose sum is σ = 48649920. Its totient is φ = 45637416.

The previous prime is 47131559. The next prime is 47131627. The reversal of 47131619 is 91613174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47131619 is a prime.

It is a super-2 number, since 2×47131619² = 4442779019122322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47131649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2009 + ... + 9914.

It is an arithmetic number, because the mean of its divisors is an integer number (6081240).

Almost surely, 2^47131619 is an apocalyptic number.

47131619 is a deficient number, since it is larger than the sum of its proper divisors (1518301).

47131619 is a wasteful number, since it uses less digits than its factorization.

47131619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12049.

The product of its digits is 4536, while the sum is 32.

The square root of 47131619 is about 6865.2471914710. The cubic root of 47131619 is about 361.2191664396.

The spelling of 47131619 in words is "forty-seven million, one hundred thirty-one thousand, six hundred nineteen".