612453355221327 has 16 divisors (see below), whose sum is σ = 823237670695680. Its totient is φ = 404990512052672.

The previous prime is 612453355221289. The next prime is 612453355221343. The reversal of 612453355221327 is 723122553354216.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612453355221327 is a prime.

It is a super-2 number, since 2×612453355221327² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 612453355221327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612453355221377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608718177 + ... + 609723482.

It is an arithmetic number, because the mean of its divisors is an integer number (51452354418480).

Almost surely, 2^{612453355221327} is an apocalyptic number.

612453355221327 is a deficient number, since it is larger than the sum of its proper divisors (210784315474353).

612453355221327 is a wasteful number, since it uses less digits than its factorization.

612453355221327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218443022.

The product of its digits is 9072000, while the sum is 51.

The spelling of 612453355221327 in words is "six hundred twelve trillion, four hundred fifty-three billion, three hundred fifty-five million, two hundred twenty-one thousand, three hundred twenty-seven".