99949153 has 2 divisors, whose sum is σ = 99949154. Its totient is φ = 99949152.

The previous prime is 99949133. The next prime is 99949159. The reversal of 99949153 is 35194999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99440784 + 508369 = 9972^2 + 713^2 .

It is a cyclic number.

It is not a de Polignac number, because 99949153 - 2¹³ = 99940961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99949097 and 99949106.

It is not a weakly prime, because it can be changed into another prime (99949159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49974576 + 49974577.

It is an arithmetic number, because the mean of its divisors is an integer number (49974577).

Almost surely, 2^99949153 is an apocalyptic number.

It is an amenable number.

99949153 is a deficient number, since it is larger than the sum of its proper divisors (1).

99949153 is an equidigital number, since it uses as much as digits as its factorization.

99949153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 393660, while the sum is 49.

The square root of 99949153 is about 9997.4573267406. The cubic root of 99949153 is about 464.0801997345.

The spelling of 99949153 in words is "ninety-nine million, nine hundred forty-nine thousand, one hundred fifty-three".