99426049 has 2 divisors, whose sum is σ = 99426050. Its totient is φ = 99426048.

The previous prime is 99426029. The next prime is 99426053. The reversal of 99426049 is 94062499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99361024 + 65025 = 9968^2 + 255^2 .

It is an emirp because it is prime and its reverse (94062499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99426049 - 2⁵ = 99426017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99425996 and 99426014.

It is not a weakly prime, because it can be changed into another prime (99426029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49713024 + 49713025.

It is an arithmetic number, because the mean of its divisors is an integer number (49713025).

Almost surely, 2^99426049 is an apocalyptic number.

It is an amenable number.

99426049 is a deficient number, since it is larger than the sum of its proper divisors (1).

99426049 is an equidigital number, since it uses as much as digits as its factorization.

99426049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 99426049 is about 9971.2611539363. The cubic root of 99426049 is about 463.2691641490.

The spelling of 99426049 in words is "ninety-nine million, four hundred twenty-six thousand, forty-nine".