6744205137 has 4 divisors (see below), whose sum is σ = 8992273520. Its totient is φ = 4496136756.

The previous prime is 6744205123. The next prime is 6744205177. The reversal of 6744205137 is 7315024476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6744205137 - 2⁶ = 6744205073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6744205095 and 6744205104.

It is not an unprimeable number, because it can be changed into a prime (6744205177) 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, 1124034187 + ... + 1124034192.

It is an arithmetic number, because the mean of its divisors is an integer number (2248068380).

Almost surely, 2^6744205137 is an apocalyptic number.

It is an amenable number.

6744205137 is a deficient number, since it is larger than the sum of its proper divisors (2248068383).

6744205137 is a wasteful number, since it uses less digits than its factorization.

6744205137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248068382.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 6744205137 is about 82123.1096403442. The cubic root of 6744205137 is about 1889.3406000134.

The spelling of 6744205137 in words is "six billion, seven hundred forty-four million, two hundred five thousand, one hundred thirty-seven".