449364649634 has 32 divisors (see below), whose sum is σ = 702705024000. Its totient is φ = 215251755264.

The previous prime is 449364649633. The next prime is 449364649639. The reversal of 449364649634 is 436946463944.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (449364649633) 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, 15085247 + ... + 15115005.

It is an arithmetic number, because the mean of its divisors is an integer number (21959532000).

Almost surely, 2^449364649634 is an apocalyptic number.

449364649634 is a deficient number, since it is larger than the sum of its proper divisors (253340374366).

449364649634 is a wasteful number, since it uses less digits than its factorization.

449364649634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31802.

The product of its digits is 161243136, while the sum is 62.

The spelling of 449364649634 in words is "four hundred forty-nine billion, three hundred sixty-four million, six hundred forty-nine thousand, six hundred thirty-four".