920043713 has 2 divisors, whose sum is σ = 920043714. Its totient is φ = 920043712.

The previous prime is 920043671. The next prime is 920043721. The reversal of 920043713 is 317340029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 632673409 + 287370304 = 25153^2 + 16952^2 .

It is an emirp because it is prime and its reverse (317340029) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 920043713 - 2¹⁶ = 919978177 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (920043743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460021856 + 460021857.

It is an arithmetic number, because the mean of its divisors is an integer number (460021857).

Almost surely, 2^920043713 is an apocalyptic number.

It is an amenable number.

920043713 is a deficient number, since it is larger than the sum of its proper divisors (1).

920043713 is an equidigital number, since it uses as much as digits as its factorization.

920043713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 920043713 is about 30332.2223551127. Note that the first 3 decimals coincide. The cubic root of 920043713 is about 972.6042298790.

The spelling of 920043713 in words is "nine hundred twenty million, forty-three thousand, seven hundred thirteen".