901198913 has 2 divisors, whose sum is σ = 901198914. Its totient is φ = 901198912.

The previous prime is 901198877. The next prime is 901198919. The reversal of 901198913 is 319891109.

It is a happy number.

901198913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 892336384 + 8862529 = 29872^2 + 2977^2 .

It is a cyclic number.

It is not a de Polignac number, because 901198913 - 2⁸ = 901198657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (901198919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450599456 + 450599457.

It is an arithmetic number, because the mean of its divisors is an integer number (450599457).

Almost surely, 2^901198913 is an apocalyptic number.

It is an amenable number.

901198913 is a deficient number, since it is larger than the sum of its proper divisors (1).

901198913 is an equidigital number, since it uses as much as digits as its factorization.

901198913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 41.

The square root of 901198913 is about 30019.9752331677. The cubic root of 901198913 is about 965.9179120721.

The spelling of 901198913 in words is "nine hundred one million, one hundred ninety-eight thousand, nine hundred thirteen".