99853157473 has 2 divisors, whose sum is σ = 99853157474. Its totient is φ = 99853157472.

The previous prime is 99853157471. The next prime is 99853157557. The reversal of 99853157473 is 37475135899.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92846965264 + 7006192209 = 304708^2 + 83703^2 .

It is a cyclic number.

It is not a de Polignac number, because 99853157473 - 2¹ = 99853157471 is a prime.

Together with 99853157471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (99853157471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49926578736 + 49926578737.

It is an arithmetic number, because the mean of its divisors is an integer number (49926578737).

Almost surely, 2^99853157473 is an apocalyptic number.

It is an amenable number.

99853157473 is a deficient number, since it is larger than the sum of its proper divisors (1).

99853157473 is an equidigital number, since it uses as much as digits as its factorization.

99853157473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28576800, while the sum is 61.

The spelling of 99853157473 in words is "ninety-nine billion, eight hundred fifty-three million, one hundred fifty-seven thousand, four hundred seventy-three".