99563402 has 4 divisors (see below), whose sum is σ = 149345106. Its totient is φ = 49781700.

The previous prime is 99563381. The next prime is 99563423. The reversal of 99563402 is 20436599.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20436599 = 677 ⋅30187.

It is an interprime number because it is at equal distance from previous prime (99563381) and next prime (99563423).

It can be written as a sum of positive squares in only one way, i.e., 61011721 + 38551681 = 7811^2 + 6209^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24890849 + ... + 24890852.

Almost surely, 2^99563402 is an apocalyptic number.

99563402 is a deficient number, since it is larger than the sum of its proper divisors (49781704).

99563402 is a wasteful number, since it uses less digits than its factorization.

99563402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49781703.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 99563402 is about 9978.1462206163. The cubic root of 99563402 is about 463.4823950921.

The spelling of 99563402 in words is "ninety-nine million, five hundred sixty-three thousand, four hundred two".