1649374012 has 48 divisors (see below), whose sum is σ = 3482714592. Its totient is φ = 673332480.

The previous prime is 1649374009. The next prime is 1649374033. The reversal of 1649374012 is 2104739461.

It is a super-2 number, since 2×1649374012² = 5440869262921952288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17803 + ... + 60130.

It is an arithmetic number, because the mean of its divisors is an integer number (72556554).

Almost surely, 2^1649374012 is an apocalyptic number.

It is an amenable number.

1649374012 is an abundant number, since it is smaller than the sum of its proper divisors (1833340580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1649374012 is a wasteful number, since it uses less digits than its factorization.

1649374012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77998 (or 77996 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1649374012 is about 40612.4859125860. The cubic root of 1649374012 is about 1181.5162954888.

The spelling of 1649374012 in words is "one billion, six hundred forty-nine million, three hundred seventy-four thousand, twelve".