450835457381 has 4 divisors (see below), whose sum is σ = 450837307392. Its totient is φ = 450833607372.

The previous prime is 450835457377. The next prime is 450835457407. The reversal of 450835457381 is 183754538054.

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 450835457381 - 2² = 450835457377 is a prime.

It is a super-2 number, since 2×450835457381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450835457351) 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, 491855 + ... + 1069388.

It is an arithmetic number, because the mean of its divisors is an integer number (112709326848).

Almost surely, 2^450835457381 is an apocalyptic number.

It is an amenable number.

450835457381 is a deficient number, since it is larger than the sum of its proper divisors (1850011).

450835457381 is a wasteful number, since it uses less digits than its factorization.

450835457381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850010.

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 450835457381 in words is "four hundred fifty billion, eight hundred thirty-five million, four hundred fifty-seven thousand, three hundred eighty-one".