451613610871 has 2 divisors, whose sum is σ = 451613610872. Its totient is φ = 451613610870.

The previous prime is 451613610869. The next prime is 451613610911. The reversal of 451613610871 is 178016316154.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451613610871 - 2¹ = 451613610869 is a prime.

Together with 451613610869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451613610821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225806805435 + 225806805436.

It is an arithmetic number, because the mean of its divisors is an integer number (225806805436).

Almost surely, 2^451613610871 is an apocalyptic number.

451613610871 is a deficient number, since it is larger than the sum of its proper divisors (1).

451613610871 is an equidigital number, since it uses as much as digits as its factorization.

451613610871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 451613610871 in words is "four hundred fifty-one billion, six hundred thirteen million, six hundred ten thousand, eight hundred seventy-one".