612444324363406 has 16 divisors (see below), whose sum is σ = 918854669199600. Its totient is φ = 306159440344128.

The previous prime is 612444324363379. The next prime is 612444324363409. The reversal of 612444324363406 is 604363423444216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612444324363409) 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, 214621986 + ... + 217456858.

It is an arithmetic number, because the mean of its divisors is an integer number (57428416824975).

Almost surely, 2^{612444324363406} is an apocalyptic number.

612444324363406 is a deficient number, since it is larger than the sum of its proper divisors (306410344836194).

612444324363406 is a wasteful number, since it uses less digits than its factorization.

612444324363406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856963.

The product of its (nonzero) digits is 23887872, while the sum is 52.

The spelling of 612444324363406 in words is "six hundred twelve trillion, four hundred forty-four billion, three hundred twenty-four million, three hundred sixty-three thousand, four hundred six".