920549741 has 2 divisors, whose sum is σ = 920549742. Its totient is φ = 920549740.

The previous prime is 920549699. The next prime is 920549761. The reversal of 920549741 is 147945029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 846228100 + 74321641 = 29090^2 + 8621^2 .

It is a cyclic number.

It is not a de Polignac number, because 920549741 - 2²⁶ = 853440877 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 (920549761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460274870 + 460274871.

It is an arithmetic number, because the mean of its divisors is an integer number (460274871).

Almost surely, 2^920549741 is an apocalyptic number.

It is an amenable number.

920549741 is a deficient number, since it is larger than the sum of its proper divisors (1).

920549741 is an equidigital number, since it uses as much as digits as its factorization.

920549741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 920549741 is about 30340.5626348623. The cubic root of 920549741 is about 972.7825093683.

The spelling of 920549741 in words is "nine hundred twenty million, five hundred forty-nine thousand, seven hundred forty-one".