451710962491 has 2 divisors, whose sum is σ = 451710962492. Its totient is φ = 451710962490.

The previous prime is 451710962489. The next prime is 451710962557. The reversal of 451710962491 is 194269017154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451710962491 - 2¹ = 451710962489 is a prime.

Together with 451710962489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (451710962891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225855481245 + 225855481246.

It is an arithmetic number, because the mean of its divisors is an integer number (225855481246).

Almost surely, 2^451710962491 is an apocalyptic number.

451710962491 is a deficient number, since it is larger than the sum of its proper divisors (1).

451710962491 is an equidigital number, since it uses as much as digits as its factorization.

451710962491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 49.

It can be divided in two parts, 4517109 and 62491, that added together give a square (4579600 = 2140²).

The spelling of 451710962491 in words is "four hundred fifty-one billion, seven hundred ten million, nine hundred sixty-two thousand, four hundred ninety-one".