2641430399 has 4 divisors (see below), whose sum is σ = 2642468400. Its totient is φ = 2640392400.

The previous prime is 2641430387. The next prime is 2641430411. The reversal of 2641430399 is 9930341462.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2641430387) and next prime (2641430411).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2641430399 is a prime.

It is a super-2 number, since 2×2641430399² = 13954309105522598402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641430599) 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 3 ways as a sum of consecutive naturals, for example, 515174 + ... + 520275.

It is an arithmetic number, because the mean of its divisors is an integer number (660617100).

Almost surely, 2^2641430399 is an apocalyptic number.

2641430399 is a deficient number, since it is larger than the sum of its proper divisors (1038001).

2641430399 is a wasteful number, since it uses less digits than its factorization.

2641430399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038000.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 2641430399 is about 51394.8479810963. The cubic root of 2641430399 is about 1382.3342136231.

The spelling of 2641430399 in words is "two billion, six hundred forty-one million, four hundred thirty thousand, three hundred ninety-nine".