449675450642 has 8 divisors (see below), whose sum is σ = 735832555632. Its totient is φ = 204397932100.

The previous prime is 449675450593. The next prime is 449675450689. The reversal of 449675450642 is 246054576944.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 10219896584 + ... + 10219896627.

It is an arithmetic number, because the mean of its divisors is an integer number (91979069454).

Almost surely, 2^449675450642 is an apocalyptic number.

449675450642 is a deficient number, since it is larger than the sum of its proper divisors (286157104990).

449675450642 is a wasteful number, since it uses less digits than its factorization.

449675450642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20439793224.

The product of its (nonzero) digits is 29030400, while the sum is 56.

The spelling of 449675450642 in words is "four hundred forty-nine billion, six hundred seventy-five million, four hundred fifty thousand, six hundred forty-two".