6406723001 has 24 divisors (see below), whose sum is σ = 7539967296. Its totient is φ = 5427391200.

The previous prime is 6406722989. The next prime is 6406723019. The reversal of 6406723001 is 1003276046.

It is a de Polignac number, because none of the positive numbers 2^k-6406723001 is a prime.

It is a super-2 number, since 2×6406723001² = 82092199223084892002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6406723091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4686020 + ... + 4687386.

It is an arithmetic number, because the mean of its divisors is an integer number (314165304).

Almost surely, 2^6406723001 is an apocalyptic number.

It is an amenable number.

6406723001 is a deficient number, since it is larger than the sum of its proper divisors (1133244295).

6406723001 is a wasteful number, since it uses less digits than its factorization.

6406723001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429 (or 2422 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 6406723001 is about 80042.0077271929. The cubic root of 6406723001 is about 1857.2854185695.

Adding to 6406723001 its reverse (1003276046), we get a palindrome (7409999047).

The spelling of 6406723001 in words is "six billion, four hundred six million, seven hundred twenty-three thousand, one".