449889069652 has 12 divisors (see below), whose sum is σ = 858879133056. Its totient is φ = 204495031640.

The previous prime is 449889069649. The next prime is 449889069667. The reversal of 449889069652 is 256960988944.

It is a super-2 number, since 2×449889069652² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5112375748 + ... + 5112375835.

It is an arithmetic number, because the mean of its divisors is an integer number (71573261088).

Almost surely, 2^449889069652 is an apocalyptic number.

It is an amenable number.

449889069652 is a deficient number, since it is larger than the sum of its proper divisors (408990063404).

449889069652 is a wasteful number, since it uses less digits than its factorization.

449889069652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10224751598 (or 10224751596 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 70.

The spelling of 449889069652 in words is "four hundred forty-nine billion, eight hundred eighty-nine million, sixty-nine thousand, six hundred fifty-two".