449000856957 has 16 divisors (see below), whose sum is σ = 609052889088. Its totient is φ = 294179129520.

The previous prime is 449000856917. The next prime is 449000856973. The reversal of 449000856957 is 759658000944.

It is not a de Polignac number, because 449000856957 - 2⁸ = 449000856701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 449000856897 and 449000856906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449000856907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4672903 + ... + 4768020.

It is an arithmetic number, because the mean of its divisors is an integer number (38065805568).

Almost surely, 2^449000856957 is an apocalyptic number.

It is an amenable number.

449000856957 is a deficient number, since it is larger than the sum of its proper divisors (160052032131).

449000856957 is a wasteful number, since it uses less digits than its factorization.

449000856957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9441200.

The product of its (nonzero) digits is 10886400, while the sum is 57.

The spelling of 449000856957 in words is "four hundred forty-nine billion, eight hundred fifty-six thousand, nine hundred fifty-seven".