99381083901 has 16 divisors (see below), whose sum is σ = 145311141888. Its totient is φ = 59915610800.

The previous prime is 99381083869. The next prime is 99381084017. The reversal of 99381083901 is 10938018399.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 99381083901 - 2⁵ = 99381083869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99381083701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7877331 + ... + 7889936.

It is an arithmetic number, because the mean of its divisors is an integer number (9081946368).

Almost surely, 2^99381083901 is an apocalyptic number.

It is an amenable number.

99381083901 is a deficient number, since it is larger than the sum of its proper divisors (45930057987).

99381083901 is a wasteful number, since it uses less digits than its factorization.

99381083901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15767472.

The product of its (nonzero) digits is 419904, while the sum is 51.

The spelling of 99381083901 in words is "ninety-nine billion, three hundred eighty-one million, eighty-three thousand, nine hundred one".