1649509459814 has 8 divisors (see below), whose sum is σ = 2475321122928. Its totient is φ = 824402418840.

The previous prime is 1649509459771. The next prime is 1649509459831. The reversal of 1649509459814 is 4189549059461.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176149682 + ... + 176159045.

It is an arithmetic number, because the mean of its divisors is an integer number (309415140366).

Almost surely, 2^{1649509459814} is an apocalyptic number.

1649509459814 is a deficient number, since it is larger than the sum of its proper divisors (825811663114).

1649509459814 is a wasteful number, since it uses less digits than its factorization.

1649509459814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352311070.

The product of its (nonzero) digits is 55987200, while the sum is 65.

The spelling of 1649509459814 in words is "one trillion, six hundred forty-nine billion, five hundred nine million, four hundred fifty-nine thousand, eight hundred fourteen".