920326973 has 2 divisors, whose sum is σ = 920326974. Its totient is φ = 920326972.

The previous prime is 920326969. The next prime is 920326999. The reversal of 920326973 is 379623029.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 689955289 + 230371684 = 26267^2 + 15178^2 .

It is a cyclic number.

It is not a de Polignac number, because 920326973 - 2² = 920326969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 920326973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920326903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460163486 + 460163487.

It is an arithmetic number, because the mean of its divisors is an integer number (460163487).

Almost surely, 2^920326973 is an apocalyptic number.

It is an amenable number.

920326973 is a deficient number, since it is larger than the sum of its proper divisors (1).

920326973 is an equidigital number, since it uses as much as digits as its factorization.

920326973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 920326973 is about 30336.8912876715. The cubic root of 920326973 is about 972.7040336897.

The spelling of 920326973 in words is "nine hundred twenty million, three hundred twenty-six thousand, nine hundred seventy-three".