5157646405 has 16 divisors (see below), whose sum is σ = 6591143664. Its totient is φ = 3860945920.

The previous prime is 5157646381. The next prime is 5157646409. The reversal of 5157646405 is 5046467515.

5157646405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 357096609 + 4800549796 = 18897^2 + 69286^2 .

It is not a de Polignac number, because 5157646405 - 2¹⁷ = 5157515333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5157646409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160666 + ... + 190075.

It is an arithmetic number, because the mean of its divisors is an integer number (411946479).

Almost surely, 2^5157646405 is an apocalyptic number.

It is an amenable number.

5157646405 is a deficient number, since it is larger than the sum of its proper divisors (1433497259).

5157646405 is a wasteful number, since it uses less digits than its factorization.

5157646405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350936.

The product of its (nonzero) digits is 504000, while the sum is 43.

The square root of 5157646405 is about 71816.7557398690. The cubic root of 5157646405 is about 1727.7617489747.

The spelling of 5157646405 in words is "five billion, one hundred fifty-seven million, six hundred forty-six thousand, four hundred five".