1649234854 has 4 divisors (see below), whose sum is σ = 2473852284. Its totient is φ = 824617426.

The previous prime is 1649234833. The next prime is 1649234863. The reversal of 1649234854 is 4584329461.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412308712 + ... + 412308715.

It is an arithmetic number, because the mean of its divisors is an integer number (618463071).

Almost surely, 2^1649234854 is an apocalyptic number.

1649234854 is a deficient number, since it is larger than the sum of its proper divisors (824617430).

1649234854 is an equidigital number, since it uses as much as digits as its factorization.

1649234854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824617429.

The product of its digits is 829440, while the sum is 46.

The square root of 1649234854 is about 40610.7726348564. The cubic root of 1649234854 is about 1181.4830663025.

The spelling of 1649234854 in words is "one billion, six hundred forty-nine million, two hundred thirty-four thousand, eight hundred fifty-four".