245041340321983 has 2 divisors, whose sum is σ = 245041340321984. Its totient is φ = 245041340321982.

The previous prime is 245041340321969. The next prime is 245041340322059. The reversal of 245041340321983 is 389123043140542.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245041340321983 is a prime.

It is a super-2 number, since 2×245041340321983² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245041340321923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122520670160991 + 122520670160992.

It is an arithmetic number, because the mean of its divisors is an integer number (122520670160992).

Almost surely, 2^{245041340321983} is an apocalyptic number.

245041340321983 is a deficient number, since it is larger than the sum of its proper divisors (1).

245041340321983 is an equidigital number, since it uses as much as digits as its factorization.

245041340321983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 245041340321983 in words is "two hundred forty-five trillion, forty-one billion, three hundred forty million, three hundred twenty-one thousand, nine hundred eighty-three".