5651645012 has 24 divisors (see below), whose sum is σ = 10685455872. Its totient is φ = 2600056800.

The previous prime is 5651645011. The next prime is 5651645017. The reversal of 5651645012 is 2105461565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5651645011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158564 + ... + 190907.

It is an arithmetic number, because the mean of its divisors is an integer number (445227328).

Almost surely, 2^5651645012 is an apocalyptic number.

5651645012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5651645012 is a deficient number, since it is larger than the sum of its proper divisors (5033810860).

5651645012 is a wasteful number, since it uses less digits than its factorization.

5651645012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349799 (or 349797 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 5651645012 is about 75177.4235525533. The cubic root of 5651645012 is about 1781.2503326446.

The spelling of 5651645012 in words is "five billion, six hundred fifty-one million, six hundred forty-five thousand, twelve".