6454985730436 has 24 divisors (see below), whose sum is σ = 11514217105440. Its totient is φ = 3165462087552.

The previous prime is 6454985730409. The next prime is 6454985730493. The reversal of 6454985730436 is 6340375894546.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31481686 + ... + 31686061.

It is an arithmetic number, because the mean of its divisors is an integer number (479759046060).

Almost surely, 2^{6454985730436} is an apocalyptic number.

It is an amenable number.

6454985730436 is a deficient number, since it is larger than the sum of its proper divisors (5059231375004).

6454985730436 is a wasteful number, since it uses less digits than its factorization.

6454985730436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63168243 (or 63168241 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 64.

The spelling of 6454985730436 in words is "six trillion, four hundred fifty-four billion, nine hundred eighty-five million, seven hundred thirty thousand, four hundred thirty-six".