4912401645 has 48 divisors (see below), whose sum is σ = 9045379200. Its totient is φ = 2459237760.

The previous prime is 4912401631. The next prime is 4912401647. The reversal of 4912401645 is 5461042194.

4912401645 is a `hidden beast` number, since 4 + 9 + 1 + 2 + 4 + 0 + 1 + 645 = 666.

It is not a de Polignac number, because 4912401645 - 2⁷ = 4912401517 is a prime.

It is a super-3 number, since 3×4912401645³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4912401647) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 66840 + ... + 119550.

It is an arithmetic number, because the mean of its divisors is an integer number (188445400).

Almost surely, 2^4912401645 is an apocalyptic number.

4912401645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4912401645 is a deficient number, since it is larger than the sum of its proper divisors (4132977555).

4912401645 is a wasteful number, since it uses less digits than its factorization.

4912401645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52850 (or 52847 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4912401645 is about 70088.5271995353. The cubic root of 4912401645 is about 1699.9309827805.

The spelling of 4912401645 in words is "four billion, nine hundred twelve million, four hundred one thousand, six hundred forty-five".