47321699 has 2 divisors, whose sum is σ = 47321700. Its totient is φ = 47321698.

The previous prime is 47321689. The next prime is 47321731. The reversal of 47321699 is 99612374.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47321699 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (47321639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23660849 + 23660850.

It is an arithmetic number, because the mean of its divisors is an integer number (23660850).

Almost surely, 2^47321699 is an apocalyptic number.

47321699 is a deficient number, since it is larger than the sum of its proper divisors (1).

47321699 is an equidigital number, since it uses as much as digits as its factorization.

47321699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 41.

The square root of 47321699 is about 6879.0769002825. The cubic root of 47321699 is about 361.7041094219.

The spelling of 47321699 in words is "forty-seven million, three hundred twenty-one thousand, six hundred ninety-nine".