918950901641 has 2 divisors, whose sum is σ = 918950901642. Its totient is φ = 918950901640.

The previous prime is 918950901637. The next prime is 918950901677. The reversal of 918950901641 is 146109059819.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 764757246016 + 154193655625 = 874504^2 + 392675^2 .

It is a cyclic number.

It is not a de Polignac number, because 918950901641 - 2² = 918950901637 is a prime.

It is not a weakly prime, because it can be changed into another prime (918950906641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459475450820 + 459475450821.

It is an arithmetic number, because the mean of its divisors is an integer number (459475450821).

Almost surely, 2^918950901641 is an apocalyptic number.

It is an amenable number.

918950901641 is a deficient number, since it is larger than the sum of its proper divisors (1).

918950901641 is an equidigital number, since it uses as much as digits as its factorization.

918950901641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 53.

The spelling of 918950901641 in words is "nine hundred eighteen billion, nine hundred fifty million, nine hundred one thousand, six hundred forty-one".