99900901003 has 2 divisors, whose sum is σ = 99900901004. Its totient is φ = 99900901002.

The previous prime is 99900900997. The next prime is 99900901027. The reversal of 99900901003 is 30010900999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99900901003 - 2¹⁷ = 99900769931 is a prime.

It is a super-2 number, since 2×99900901003² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99900701003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49950450501 + 49950450502.

It is an arithmetic number, because the mean of its divisors is an integer number (49950450502).

Almost surely, 2^99900901003 is an apocalyptic number.

99900901003 is a deficient number, since it is larger than the sum of its proper divisors (1).

99900901003 is an equidigital number, since it uses as much as digits as its factorization.

99900901003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19683, while the sum is 40.

The spelling of 99900901003 in words is "ninety-nine billion, nine hundred million, nine hundred one thousand, three".