1450339657 has 4 divisors (see below), whose sum is σ = 1561904260. Its totient is φ = 1338775056.

The previous prime is 1450339633. The next prime is 1450339663. The reversal of 1450339657 is 7569330541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7569330541 = 4451 ⋅1700591.

It can be written as a sum of positive squares in 2 ways, for example, as 70291456 + 1380048201 = 8384^2 + 37149^2 .

It is a cyclic number.

It is not a de Polignac number, because 1450339657 - 2¹⁵ = 1450306889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1450339057) 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, 55782282 + ... + 55782307.

It is an arithmetic number, because the mean of its divisors is an integer number (390476065).

Almost surely, 2^1450339657 is an apocalyptic number.

It is an amenable number.

1450339657 is a deficient number, since it is larger than the sum of its proper divisors (111564603).

1450339657 is a wasteful number, since it uses less digits than its factorization.

1450339657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111564602.

The product of its (nonzero) digits is 340200, while the sum is 43.

The square root of 1450339657 is about 38083.3251830772. The cubic root of 1450339657 is about 1131.9395663463.

The spelling of 1450339657 in words is "one billion, four hundred fifty million, three hundred thirty-nine thousand, six hundred fifty-seven".