655273434406 has 16 divisors (see below), whose sum is σ = 1030959614304. Its totient is φ = 311767847424.

The previous prime is 655273434359. The next prime is 655273434421. The reversal of 655273434406 is 604434372556.

It is a self number, because there is not a number n which added to its sum of digits gives 655273434406.

It is a congruent number.

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, 36895461 + ... + 36913216.

It is an arithmetic number, because the mean of its divisors is an integer number (64434975894).

Almost surely, 2^655273434406 is an apocalyptic number.

655273434406 is a deficient number, since it is larger than the sum of its proper divisors (375686179898).

655273434406 is a wasteful number, since it uses less digits than its factorization.

655273434406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73808895.

The product of its (nonzero) digits is 7257600, while the sum is 49.

The spelling of 655273434406 in words is "six hundred fifty-five billion, two hundred seventy-three million, four hundred thirty-four thousand, four hundred six".