1450638319 has 16 divisors (see below), whose sum is σ = 1625843520. Its totient is φ = 1285079040.

The previous prime is 1450638311. The next prime is 1450638347. The reversal of 1450638319 is 9138360541.

It is a cyclic number.

It is not a de Polignac number, because 1450638319 - 2³ = 1450638311 is a prime.

It is a super-2 number, since 2×1450638319² = 4208703065102291522, which 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 (1450638311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51439 + ... + 74479.

It is an arithmetic number, because the mean of its divisors is an integer number (101615220).

Almost surely, 2^1450638319 is an apocalyptic number.

1450638319 is a deficient number, since it is larger than the sum of its proper divisors (175205201).

1450638319 is a wasteful number, since it uses less digits than its factorization.

1450638319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23250.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 1450638319 is about 38087.2461461839. The cubic root of 1450638319 is about 1132.0172594417.

It can be divided in two parts, 14506 and 38319, that added together give a palindrome (52825).

The spelling of 1450638319 in words is "one billion, four hundred fifty million, six hundred thirty-eight thousand, three hundred nineteen".