449909699386 has 16 divisors (see below), whose sum is σ = 771286536000. Its totient is φ = 192815251200.

The previous prime is 449909699363. The next prime is 449909699399. The reversal of 449909699386 is 683996909944.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741786 + ... + 1204186.

It is an arithmetic number, because the mean of its divisors is an integer number (48205408500).

Almost surely, 2^449909699386 is an apocalyptic number.

449909699386 is a deficient number, since it is larger than the sum of its proper divisors (321376836614).

449909699386 is a wasteful number, since it uses less digits than its factorization.

449909699386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531909.

The product of its (nonzero) digits is 816293376, while the sum is 76.

The spelling of 449909699386 in words is "four hundred forty-nine billion, nine hundred nine million, six hundred ninety-nine thousand, three hundred eighty-six".