450378952687 has 2 divisors, whose sum is σ = 450378952688. Its totient is φ = 450378952686.

The previous prime is 450378952643. The next prime is 450378952747. The reversal of 450378952687 is 786259873054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450378952687 - 2³¹ = 448231469039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450378952627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225189476343 + 225189476344.

It is an arithmetic number, because the mean of its divisors is an integer number (225189476344).

Almost surely, 2^450378952687 is an apocalyptic number.

450378952687 is a deficient number, since it is larger than the sum of its proper divisors (1).

450378952687 is an equidigital number, since it uses as much as digits as its factorization.

450378952687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 101606400, while the sum is 64.

The spelling of 450378952687 in words is "four hundred fifty billion, three hundred seventy-eight million, nine hundred fifty-two thousand, six hundred eighty-seven".