6400036053 has 12 divisors (see below), whose sum is σ = 9788290668. Its totient is φ = 4015708800.

The previous prime is 6400036009. The next prime is 6400036079. The reversal of 6400036053 is 3506300046.

It can be written as a sum of positive squares in 2 ways, for example, as 3056652369 + 3343383684 = 55287^2 + 57822^2 .

It is not a de Polignac number, because 6400036053 - 2¹³ = 6400027861 is a prime.

It is a super-2 number, since 2×6400036053² = 81920922959399637618, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400032053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20914998 + ... + 20915303.

It is an arithmetic number, because the mean of its divisors is an integer number (815690889).

Almost surely, 2^6400036053 is an apocalyptic number.

It is an amenable number.

6400036053 is a deficient number, since it is larger than the sum of its proper divisors (3388254615).

6400036053 is a wasteful number, since it uses less digits than its factorization.

6400036053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41830324 (or 41830321 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 6400036053 is about 80000.2253309327. The cubic root of 6400036053 is about 1856.6390197553.

Adding to 6400036053 its reverse (3506300046), we get a palindrome (9906336099).

The spelling of 6400036053 in words is "six billion, four hundred million, thirty-six thousand, fifty-three".