99953619 has 8 divisors (see below), whose sum is σ = 133743552. Its totient is φ = 66399720.

The previous prime is 99953617. The next prime is 99953639. The reversal of 99953619 is 91635999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99953619 - 2¹ = 99953617 is a prime.

It is a super-2 number, since 2×99953619² = 19981451902394322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99953617) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 58017 + ... + 59714.

It is an arithmetic number, because the mean of its divisors is an integer number (16717944).

Almost surely, 2^99953619 is an apocalyptic number.

99953619 is a deficient number, since it is larger than the sum of its proper divisors (33789933).

99953619 is a wasteful number, since it uses less digits than its factorization.

99953619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118017.

The product of its digits is 590490, while the sum is 51.

The square root of 99953619 is about 9997.6806810380. The cubic root of 99953619 is about 464.0871117534.

The spelling of 99953619 in words is "ninety-nine million, nine hundred fifty-three thousand, six hundred nineteen".