451613601797 has 2 divisors, whose sum is σ = 451613601798. Its totient is φ = 451613601796.

The previous prime is 451613601767. The next prime is 451613601799. The reversal of 451613601797 is 797106316154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 451468423396 + 145178401 = 671914^2 + 12049^2 .

It is a cyclic number.

It is not a de Polignac number, because 451613601797 - 2³⁴ = 434433732613 is a prime.

Together with 451613601799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451613601799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225806800898 + 225806800899.

It is an arithmetic number, because the mean of its divisors is an integer number (225806800899).

Almost surely, 2^451613601797 is an apocalyptic number.

It is an amenable number.

451613601797 is a deficient number, since it is larger than the sum of its proper divisors (1).

451613601797 is an equidigital number, since it uses as much as digits as its factorization.

451613601797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 50.

The spelling of 451613601797 in words is "four hundred fifty-one billion, six hundred thirteen million, six hundred one thousand, seven hundred ninety-seven".