99753949 has 2 divisors, whose sum is σ = 99753950. Its totient is φ = 99753948.

The previous prime is 99753931. The next prime is 99753991. The reversal of 99753949 is 94935799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69305625 + 30448324 = 8325^2 + 5518^2 .

It is a cyclic number.

It is not a de Polignac number, because 99753949 - 2¹¹ = 99751901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99753949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99750949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49876974 + 49876975.

It is an arithmetic number, because the mean of its divisors is an integer number (49876975).

Almost surely, 2^99753949 is an apocalyptic number.

It is an amenable number.

99753949 is a deficient number, since it is larger than the sum of its proper divisors (1).

99753949 is an equidigital number, since it uses as much as digits as its factorization.

99753949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2755620, while the sum is 55.

The square root of 99753949 is about 9987.6898730387. The cubic root of 99753949 is about 463.7778815126. Note that the first 3 decimals are identical.

It can be divided in two parts, 9975 and 3949, that added together give a square (13924 = 118²).

The spelling of 99753949 in words is "ninety-nine million, seven hundred fifty-three thousand, nine hundred forty-nine".