47461919 has 2 divisors, whose sum is σ = 47461920. Its totient is φ = 47461918.

The previous prime is 47461907. The next prime is 47461933. The reversal of 47461919 is 91916474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47461919 - 2⁸ = 47461663 is a prime.

It is a super-2 number, since 2×47461919² = 4505267510325122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47464919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23730959 + 23730960.

It is an arithmetic number, because the mean of its divisors is an integer number (23730960).

Almost surely, 2^47461919 is an apocalyptic number.

47461919 is a deficient number, since it is larger than the sum of its proper divisors (1).

47461919 is an equidigital number, since it uses as much as digits as its factorization.

47461919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 47461919 is about 6889.2611360000. The cubic root of 47461919 is about 362.0610150198.

The spelling of 47461919 in words is "forty-seven million, four hundred sixty-one thousand, nine hundred nineteen".