71410661498873 has 2 divisors, whose sum is σ = 71410661498874. Its totient is φ = 71410661498872.

The previous prime is 71410661498797. The next prime is 71410661498927. The reversal of 71410661498873 is 37889416601417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60351099348409 + 11059562150464 = 7768597^2 + 3325592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71410661498873 is a prime.

It is not a weakly prime, because it can be changed into another prime (71410661498573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35705330749436 + 35705330749437.

It is an arithmetic number, because the mean of its divisors is an integer number (35705330749437).

Almost surely, 2^{71410661498873} is an apocalyptic number.

It is an amenable number.

71410661498873 is a deficient number, since it is larger than the sum of its proper divisors (1).

71410661498873 is an equidigital number, since it uses as much as digits as its factorization.

71410661498873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48771072, while the sum is 65.

The spelling of 71410661498873 in words is "seventy-one trillion, four hundred ten billion, six hundred sixty-one million, four hundred ninety-eight thousand, eight hundred seventy-three".