99801473 has 2 divisors, whose sum is σ = 99801474. Its totient is φ = 99801472.

The previous prime is 99801467. The next prime is 99801479. The reversal of 99801473 is 37410899.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (99801467) and next prime (99801479).

It can be written as a sum of positive squares in only one way, i.e., 81414529 + 18386944 = 9023^2 + 4288^2 .

It is a cyclic number.

It is not a de Polignac number, because 99801473 - 2⁸ = 99801217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99801473.

It is not a weakly prime, because it can be changed into another prime (99801479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49900736 + 49900737.

It is an arithmetic number, because the mean of its divisors is an integer number (49900737).

Almost surely, 2^99801473 is an apocalyptic number.

It is an amenable number.

99801473 is a deficient number, since it is larger than the sum of its proper divisors (1).

99801473 is an equidigital number, since it uses as much as digits as its factorization.

99801473 is an evil number, because the sum of its binary digits is even.

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

The square root of 99801473 is about 9990.0687184824. The cubic root of 99801473 is about 463.8515196360.

The spelling of 99801473 in words is "ninety-nine million, eight hundred one thousand, four hundred seventy-three".