1463512545721 has 2 divisors, whose sum is σ = 1463512545722. Its totient is φ = 1463512545720.

The previous prime is 1463512545707. The next prime is 1463512545749. The reversal of 1463512545721 is 1275452153641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 969319011600 + 494193534121 = 984540^2 + 702989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1463512545721 is a prime.

It is a super-3 number, since 3×1463512545721³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1463512545421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 731756272860 + 731756272861.

It is an arithmetic number, because the mean of its divisors is an integer number (731756272861).

Almost surely, 2^{1463512545721} is an apocalyptic number.

It is an amenable number.

1463512545721 is a deficient number, since it is larger than the sum of its proper divisors (1).

1463512545721 is an equidigital number, since it uses as much as digits as its factorization.

1463512545721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008000, while the sum is 46.

The spelling of 1463512545721 in words is "one trillion, four hundred sixty-three billion, five hundred twelve million, five hundred forty-five thousand, seven hundred twenty-one".