451615842071 has 2 divisors, whose sum is σ = 451615842072. Its totient is φ = 451615842070.

The previous prime is 451615842047. The next prime is 451615842079. The reversal of 451615842071 is 170248516154.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451615842071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451615842079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225807921035 + 225807921036.

It is an arithmetic number, because the mean of its divisors is an integer number (225807921036).

Almost surely, 2^451615842071 is an apocalyptic number.

451615842071 is a deficient number, since it is larger than the sum of its proper divisors (1).

451615842071 is an equidigital number, since it uses as much as digits as its factorization.

451615842071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 44.

The spelling of 451615842071 in words is "four hundred fifty-one billion, six hundred fifteen million, eight hundred forty-two thousand, seventy-one".