133109898949 has 2 divisors, whose sum is σ = 133109898950. Its totient is φ = 133109898948.

The previous prime is 133109898863. The next prime is 133109898959. The reversal of 133109898949 is 949898901331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92344269924 + 40765629025 = 303882^2 + 201905^2 .

It is a cyclic number.

It is not a de Polignac number, because 133109898949 - 2²¹ = 133107801797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133109898959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66554949474 + 66554949475.

It is an arithmetic number, because the mean of its divisors is an integer number (66554949475).

Almost surely, 2^133109898949 is an apocalyptic number.

It is an amenable number.

133109898949 is a deficient number, since it is larger than the sum of its proper divisors (1).

133109898949 is an equidigital number, since it uses as much as digits as its factorization.

133109898949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15116544, while the sum is 64.

The spelling of 133109898949 in words is "one hundred thirty-three billion, one hundred nine million, eight hundred ninety-eight thousand, nine hundred forty-nine".