6437783745 has 16 divisors (see below), whose sum is σ = 11444949120. Its totient is φ = 3433484592.

The previous prime is 6437783731. The next prime is 6437783753. The reversal of 6437783745 is 5473877346.

It is not a de Polignac number, because 6437783745 - 2⁵ = 6437783713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6437783691 and 6437783700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23843509 + ... + 23843778.

It is an arithmetic number, because the mean of its divisors is an integer number (715309320).

Almost surely, 2^6437783745 is an apocalyptic number.

It is an amenable number.

6437783745 is a deficient number, since it is larger than the sum of its proper divisors (5007165375).

6437783745 is a wasteful number, since it uses less digits than its factorization.

6437783745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47687301 (or 47687295 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 54.

The square root of 6437783745 is about 80235.8008933668. The cubic root of 6437783745 is about 1860.2820461988.

The spelling of 6437783745 in words is "six billion, four hundred thirty-seven million, seven hundred eighty-three thousand, seven hundred forty-five".