1463506700681 has 2 divisors, whose sum is σ = 1463506700682. Its totient is φ = 1463506700680.

The previous prime is 1463506700629. The next prime is 1463506700699. The reversal of 1463506700681 is 1860076053641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 745053817225 + 718452883456 = 863165^2 + 847616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1463506700681 is a prime.

It is a super-2 number, since 2×1463506700681² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1463506700581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 731753350340 + 731753350341.

It is an arithmetic number, because the mean of its divisors is an integer number (731753350341).

Almost surely, 2^{1463506700681} is an apocalyptic number.

It is an amenable number.

1463506700681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1463506700681 is an equidigital number, since it uses as much as digits as its factorization.

1463506700681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 1463506700681 in words is "one trillion, four hundred sixty-three billion, five hundred six million, seven hundred thousand, six hundred eighty-one".