6785401456 has 20 divisors (see below), whose sum is σ = 13159400800. Its totient is φ = 3389427072.

The previous prime is 6785401423. The next prime is 6785401457. The reversal of 6785401456 is 6541045876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6785401457) 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, 187461 + ... + 220708.

It is an arithmetic number, because the mean of its divisors is an integer number (657970040).

Almost surely, 2^6785401456 is an apocalyptic number.

It is an amenable number.

6785401456 is a deficient number, since it is larger than the sum of its proper divisors (6373999344).

6785401456 is a wasteful number, since it uses less digits than its factorization.

6785401456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409216 (or 409210 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 6785401456 is about 82373.5482785585. The cubic root of 6785401456 is about 1893.1797444786.

The spelling of 6785401456 in words is "six billion, seven hundred eighty-five million, four hundred one thousand, four hundred fifty-six".