6743381437 has 4 divisors (see below), whose sum is σ = 7262103100. Its totient is φ = 6224659776.

The previous prime is 6743381429. The next prime is 6743381471. The reversal of 6743381437 is 7341833476.

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

It can be written as a sum of positive squares in 2 ways, for example, as 374383801 + 6368997636 = 19349^2 + 79806^2 .

It is a cyclic number.

It is not a de Polignac number, because 6743381437 - 2³ = 6743381429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6743381417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259360812 + ... + 259360837.

It is an arithmetic number, because the mean of its divisors is an integer number (1815525775).

Almost surely, 2^6743381437 is an apocalyptic number.

It is an amenable number.

6743381437 is a deficient number, since it is larger than the sum of its proper divisors (518721663).

6743381437 is a wasteful number, since it uses less digits than its factorization.

6743381437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518721662.

The product of its digits is 1016064, while the sum is 46.

The square root of 6743381437 is about 82118.0944554853. The cubic root of 6743381437 is about 1889.2636790033.

The spelling of 6743381437 in words is "six billion, seven hundred forty-three million, three hundred eighty-one thousand, four hundred thirty-seven".