47493811 has 2 divisors, whose sum is σ = 47493812. Its totient is φ = 47493810.

The previous prime is 47493739. The next prime is 47493847. The reversal of 47493811 is 11839474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47493811 - 2⁷ = 47493683 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47443811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23746905 + 23746906.

It is an arithmetic number, because the mean of its divisors is an integer number (23746906).

Almost surely, 2^47493811 is an apocalyptic number.

47493811 is a deficient number, since it is larger than the sum of its proper divisors (1).

47493811 is an equidigital number, since it uses as much as digits as its factorization.

47493811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The square root of 47493811 is about 6891.5753641675. The cubic root of 47493811 is about 362.1420924029.

The spelling of 47493811 in words is "forty-seven million, four hundred ninety-three thousand, eight hundred eleven".