450926309863 has 4 divisors (see below), whose sum is σ = 474659273560. Its totient is φ = 427193346168.

The previous prime is 450926309851. The next prime is 450926309879. The reversal of 450926309863 is 368903629054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 450926309863 - 2²⁵ = 450892755431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450926309893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11866481820 + ... + 11866481857.

It is an arithmetic number, because the mean of its divisors is an integer number (118664818390).

Almost surely, 2^450926309863 is an apocalyptic number.

450926309863 is a deficient number, since it is larger than the sum of its proper divisors (23732963697).

450926309863 is a wasteful number, since it uses less digits than its factorization.

450926309863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23732963696.

The product of its (nonzero) digits is 8398080, while the sum is 55.

The spelling of 450926309863 in words is "four hundred fifty billion, nine hundred twenty-six million, three hundred nine thousand, eight hundred sixty-three".