450405381137 has 4 divisors (see below), whose sum is σ = 453645707760. Its totient is φ = 447165054516.

The previous prime is 450405381089. The next prime is 450405381161. The reversal of 450405381137 is 731183504054.

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 450405381137 - 2²⁰ = 450404332561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450405381094 and 450405381103.

It is not an unprimeable number, because it can be changed into a prime (450405381037) 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, 1620163103 + ... + 1620163380.

It is an arithmetic number, because the mean of its divisors is an integer number (113411426940).

Almost surely, 2^450405381137 is an apocalyptic number.

It is an amenable number.

450405381137 is a deficient number, since it is larger than the sum of its proper divisors (3240326623).

450405381137 is a wasteful number, since it uses less digits than its factorization.

450405381137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240326622.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 450405381137 in words is "four hundred fifty billion, four hundred five million, three hundred eighty-one thousand, one hundred thirty-seven".