5126406465 has 16 divisors (see below), whose sum is σ = 8393001408. Its totient is φ = 2670499776.

The previous prime is 5126406463. The next prime is 5126406469. The reversal of 5126406465 is 5646046215.

It is not a de Polignac number, because 5126406465 - 2¹ = 5126406463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5126406463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3973314 + ... + 3974603.

It is an arithmetic number, because the mean of its divisors is an integer number (524562588).

Almost surely, 2^5126406465 is an apocalyptic number.

It is an amenable number.

5126406465 is a deficient number, since it is larger than the sum of its proper divisors (3266594943).

5126406465 is a wasteful number, since it uses less digits than its factorization.

5126406465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947968.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 5126406465 is about 71598.9278201846. The cubic root of 5126406465 is about 1724.2663227371.

The spelling of 5126406465 in words is "five billion, one hundred twenty-six million, four hundred six thousand, four hundred sixty-five".