1010320439 has 2 divisors, whose sum is σ = 1010320440. Its totient is φ = 1010320438.

The previous prime is 1010320427. The next prime is 1010320447. The reversal of 1010320439 is 9340230101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1010320439 - 2²⁰ = 1009271863 is a prime.

It is a super-2 number, since 2×1010320439² = 2041494778922305442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010320499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505160219 + 505160220.

It is an arithmetic number, because the mean of its divisors is an integer number (505160220).

Almost surely, 2^1010320439 is an apocalyptic number.

1010320439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010320439 is an equidigital number, since it uses as much as digits as its factorization.

1010320439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1010320439 is about 31785.5382052908. The cubic root of 1010320439 is about 1003.4283791178.

The spelling of 1010320439 in words is "one billion, ten million, three hundred twenty thousand, four hundred thirty-nine".