612143765726450 has 48 divisors (see below), whose sum is σ = 1175337256648704. Its totient is φ = 236954597529600.

The previous prime is 612143765726399. The next prime is 612143765726557. The reversal of 612143765726450 is 54627567341216.

It is a super-3 number, since 3×612143765726450³ (a number of 45 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 612143765726450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82962482 + ... + 90039218.

It is an arithmetic number, because the mean of its divisors is an integer number (24486192846848).

Almost surely, 2^{612143765726450} is an apocalyptic number.

612143765726450 is a deficient number, since it is larger than the sum of its proper divisors (563193490922254).

612143765726450 is a wasteful number, since it uses less digits than its factorization.

612143765726450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7132587 (or 7132582 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 59.

The spelling of 612143765726450 in words is "six hundred twelve trillion, one hundred forty-three billion, seven hundred sixty-five million, seven hundred twenty-six thousand, four hundred fifty".