451671323941 has 2 divisors, whose sum is σ = 451671323942. Its totient is φ = 451671323940.

The previous prime is 451671323893. The next prime is 451671323963. The reversal of 451671323941 is 149323176154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337869000225 + 113802323716 = 581265^2 + 337346^2 .

It is a cyclic number.

It is not a de Polignac number, because 451671323941 - 2¹⁵ = 451671291173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 451671323891 and 451671323900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451671326941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225835661970 + 225835661971.

It is an arithmetic number, because the mean of its divisors is an integer number (225835661971).

Almost surely, 2^451671323941 is an apocalyptic number.

It is an amenable number.

451671323941 is a deficient number, since it is larger than the sum of its proper divisors (1).

451671323941 is an equidigital number, since it uses as much as digits as its factorization.

451671323941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 46.

The spelling of 451671323941 in words is "four hundred fifty-one billion, six hundred seventy-one million, three hundred twenty-three thousand, nine hundred forty-one".