920895149 has 2 divisors, whose sum is σ = 920895150. Its totient is φ = 920895148.

The previous prime is 920895139. The next prime is 920895163. The reversal of 920895149 is 941598029.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 907093924 + 13801225 = 30118^2 + 3715^2 .

It is a cyclic number.

It is not a de Polignac number, because 920895149 - 2²⁰ = 919846573 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920895119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460447574 + 460447575.

It is an arithmetic number, because the mean of its divisors is an integer number (460447575).

Almost surely, 2^920895149 is an apocalyptic number.

It is an amenable number.

920895149 is a deficient number, since it is larger than the sum of its proper divisors (1).

920895149 is an equidigital number, since it uses as much as digits as its factorization.

920895149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 920895149 is about 30346.2542828600. The cubic root of 920895149 is about 972.9041630677.

The spelling of 920895149 in words is "nine hundred twenty million, eight hundred ninety-five thousand, one hundred forty-nine".