99619411 has 2 divisors, whose sum is σ = 99619412. Its totient is φ = 99619410.

The previous prime is 99619409. The next prime is 99619427. The reversal of 99619411 is 11491699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99619411 - 2¹ = 99619409 is a prime.

Together with 99619409, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (99619441) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49809705 + 49809706.

It is an arithmetic number, because the mean of its divisors is an integer number (49809706).

Almost surely, 2^99619411 is an apocalyptic number.

99619411 is a deficient number, since it is larger than the sum of its proper divisors (1).

99619411 is an equidigital number, since it uses as much as digits as its factorization.

99619411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 40.

The square root of 99619411 is about 9980.9524094647. The cubic root of 99619411 is about 463.5692888660.

The spelling of 99619411 in words is "ninety-nine million, six hundred nineteen thousand, four hundred eleven".