6745007983 has 4 divisors (see below), whose sum is σ = 7708580560. Its totient is φ = 5781435408.

The previous prime is 6745007959. The next prime is 6745008001. The reversal of 6745007983 is 3897005476.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-6745007983 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 (6745007903) 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, 481786278 + ... + 481786291.

It is an arithmetic number, because the mean of its divisors is an integer number (1927145140).

Almost surely, 2^6745007983 is an apocalyptic number.

6745007983 is a deficient number, since it is larger than the sum of its proper divisors (963572577).

6745007983 is an equidigital number, since it uses as much as digits as its factorization.

6745007983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963572576.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 6745007983 is about 82127.9975586888. The cubic root of 6745007983 is about 1889.4155675510.

The spelling of 6745007983 in words is "six billion, seven hundred forty-five million, seven thousand, nine hundred eighty-three".