47440619 has 2 divisors, whose sum is σ = 47440620. Its totient is φ = 47440618.

The previous prime is 47440577. The next prime is 47440621. The reversal of 47440619 is 91604474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47440619 - 2¹² = 47436523 is a prime.

It is a super-2 number, since 2×47440619² = 4501224662206322, which contains 22 as substring.

Together with 47440621, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47440669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23720309 + 23720310.

It is an arithmetic number, because the mean of its divisors is an integer number (23720310).

Almost surely, 2^47440619 is an apocalyptic number.

47440619 is a deficient number, since it is larger than the sum of its proper divisors (1).

47440619 is an equidigital number, since it uses as much as digits as its factorization.

47440619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 47440619 is about 6887.7150783115. The cubic root of 47440619 is about 362.0068448997.

The spelling of 47440619 in words is "forty-seven million, four hundred forty thousand, six hundred nineteen".