450411699021 has 4 divisors (see below), whose sum is σ = 600548932032. Its totient is φ = 300274466012.

The previous prime is 450411698999. The next prime is 450411699053. The reversal of 450411699021 is 120996114054.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 450411699021 - 2¹⁰ = 450411697997 is a prime.

It is a super-2 number, since 2×450411699021² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450411699821) 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, 75068616501 + ... + 75068616506.

It is an arithmetic number, because the mean of its divisors is an integer number (150137233008).

Almost surely, 2^450411699021 is an apocalyptic number.

It is an amenable number.

450411699021 is a deficient number, since it is larger than the sum of its proper divisors (150137233011).

450411699021 is a wasteful number, since it uses less digits than its factorization.

450411699021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150137233010.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 450411699021 in words is "four hundred fifty billion, four hundred eleven million, six hundred ninety-nine thousand, twenty-one".