245320331983 has 2 divisors, whose sum is σ = 245320331984. Its totient is φ = 245320331982.

The previous prime is 245320331951. The next prime is 245320332029. The reversal of 245320331983 is 389133023542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245320331983 - 2⁵ = 245320331951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245320331383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122660165991 + 122660165992.

It is an arithmetic number, because the mean of its divisors is an integer number (122660165992).

Almost surely, 2^245320331983 is an apocalyptic number.

245320331983 is a deficient number, since it is larger than the sum of its proper divisors (1).

245320331983 is an equidigital number, since it uses as much as digits as its factorization.

245320331983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 245320331983 in words is "two hundred forty-five billion, three hundred twenty million, three hundred thirty-one thousand, nine hundred eighty-three".