449127124738 has 4 divisors (see below), whose sum is σ = 673690687110. Its totient is φ = 224563562368.

The previous prime is 449127124723. The next prime is 449127124741. The reversal of 449127124738 is 837421721944.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 418928679009 + 30198445729 = 647247^2 + 173777^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112281781183 + ... + 112281781186.

Almost surely, 2^449127124738 is an apocalyptic number.

449127124738 is a deficient number, since it is larger than the sum of its proper divisors (224563562372).

449127124738 is a wasteful number, since it uses less digits than its factorization.

449127124738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224563562371.

The product of its digits is 2709504, while the sum is 52.

The spelling of 449127124738 in words is "four hundred forty-nine billion, one hundred twenty-seven million, one hundred twenty-four thousand, seven hundred thirty-eight".