654081243634 has 16 divisors (see below), whose sum is σ = 1207534603968. Its totient is φ = 258757414992.

The previous prime is 654081243611. The next prime is 654081243637. The reversal of 654081243634 is 436342180456.

654081243634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (654081243637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1796926312 + ... + 1796926675.

It is an arithmetic number, because the mean of its divisors is an integer number (75470912748).

Almost surely, 2^654081243634 is an apocalyptic number.

654081243634 is a deficient number, since it is larger than the sum of its proper divisors (553453360334).

654081243634 is a wasteful number, since it uses less digits than its factorization.

654081243634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593853009.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 654081243634 in words is "six hundred fifty-four billion, eighty-one million, two hundred forty-three thousand, six hundred thirty-four".