47457019 has 2 divisors, whose sum is σ = 47457020. Its totient is φ = 47457018.

The previous prime is 47456987. The next prime is 47457029. The reversal of 47457019 is 91075474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47457019 - 2⁵ = 47456987 is a prime.

It is a super-2 number, since 2×47457019² = 4504337304732722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47457029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23728509 + 23728510.

It is an arithmetic number, because the mean of its divisors is an integer number (23728510).

Almost surely, 2^47457019 is an apocalyptic number.

47457019 is a deficient number, since it is larger than the sum of its proper divisors (1).

47457019 is an equidigital number, since it uses as much as digits as its factorization.

47457019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 47457019 is about 6888.9055008760. The cubic root of 47457019 is about 362.0485547846.

The spelling of 47457019 in words is "forty-seven million, four hundred fifty-seven thousand, nineteen".