2643420131 has 8 divisors (see below), whose sum is σ = 2884724928. Its totient is φ = 2402281000.

The previous prime is 2643420113. The next prime is 2643420137. The reversal of 2643420131 is 1310243462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2643420131 is a prime.

It is a super-2 number, since 2×2643420131² = 13975339977952114322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2643420131.

It is not an unprimeable number, because it can be changed into a prime (2643420137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6785 + ... + 73026.

It is an arithmetic number, because the mean of its divisors is an integer number (360590616).

Almost surely, 2^2643420131 is an apocalyptic number.

2643420131 is a deficient number, since it is larger than the sum of its proper divisors (241304797).

2643420131 is a wasteful number, since it uses less digits than its factorization.

2643420131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82833.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2643420131 is about 51414.2016470158. The cubic root of 2643420131 is about 1382.6812205939.

Adding to 2643420131 its reverse (1310243462), we get a palindrome (3953663593).

The spelling of 2643420131 in words is "two billion, six hundred forty-three million, four hundred twenty thousand, one hundred thirty-one".