612350205063545 has 16 divisors (see below), whose sum is σ = 791854439361552. Its totient is φ = 451905897953280.

The previous prime is 612350205063511. The next prime is 612350205063551. The reversal of 612350205063545 is 545360502053216.

It can be written as a sum of positive squares in 8 ways, for example, as 127958877995881 + 484391327067664 = 11311891^2 + 22008892^2 .

It is not a de Polignac number, because 612350205063545 - 2⁶ = 612350205063481 is a prime.

It is a super-2 number, since 2×612350205063545² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612350205063545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3032987396 + ... + 3033189285.

It is an arithmetic number, because the mean of its divisors is an integer number (49490902460097).

Almost surely, 2^{612350205063545} is an apocalyptic number.

612350205063545 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

612350205063545 is a deficient number, since it is larger than the sum of its proper divisors (179504234298007).

612350205063545 is a wasteful number, since it uses less digits than its factorization.

612350205063545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6066178252.

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 612350205063545 in words is "six hundred twelve trillion, three hundred fifty billion, two hundred five million, sixty-three thousand, five hundred forty-five".