65001449983 has 2 divisors, whose sum is σ = 65001449984. Its totient is φ = 65001449982.

The previous prime is 65001449963. The next prime is 65001449987. The reversal of 65001449983 is 38994410056.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65001449983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65001449987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32500724991 + 32500724992.

It is an arithmetic number, because the mean of its divisors is an integer number (32500724992).

Almost surely, 2^65001449983 is an apocalyptic number.

65001449983 is a deficient number, since it is larger than the sum of its proper divisors (1).

65001449983 is an equidigital number, since it uses as much as digits as its factorization.

65001449983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 65001449983 in words is "sixty-five billion, one million, four hundred forty-nine thousand, nine hundred eighty-three".