2641432437 has 20 divisors (see below), whose sum is σ = 4509536416. Its totient is φ = 1509389640.

The previous prime is 2641432403. The next prime is 2641432457. The reversal of 2641432437 is 7342341462.

2641432437 is a `hidden beast` number, since 2 + 641 + 4 + 3 + 2 + 4 + 3 + 7 = 666.

It is not a de Polignac number, because 2641432437 - 2⁸ = 2641432181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641432457) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2328739 + ... + 2329872.

Almost surely, 2^2641432437 is an apocalyptic number.

2641432437 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2641432437 is a deficient number, since it is larger than the sum of its proper divisors (1868103979).

2641432437 is an equidigital number, since it uses as much as digits as its factorization.

2641432437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4658630 (or 4658621 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 2641432437 is about 51394.8678079825. The cubic root of 2641432437 is about 1382.3345691371.

Adding to 2641432437 its reverse (7342341462), we get a palindrome (9983773899).

The spelling of 2641432437 in words is "two billion, six hundred forty-one million, four hundred thirty-two thousand, four hundred thirty-seven".