612405365453005 has 8 divisors (see below), whose sum is σ = 735667401820824. Its totient is φ = 489403650177600.

The previous prime is 612405365452981. The next prime is 612405365453009. The reversal of 612405365453005 is 500354563504216.

It can be written as a sum of positive squares in 4 ways, for example, as 256634056119204 + 355771309333801 = 16019802^2 + 18861901^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 612405365453005 - 2⁷ = 612405365452877 is a prime.

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 612405365453005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612405365453009) 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, 65080267926 + ... + 65080277335.

It is an arithmetic number, because the mean of its divisors is an integer number (91958425227603).

Almost surely, 2^{612405365453005} is an apocalyptic number.

It is an amenable number.

612405365453005 is a deficient number, since it is larger than the sum of its proper divisors (123262036367819).

612405365453005 is a wasteful number, since it uses less digits than its factorization.

612405365453005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130160546207.

The product of its (nonzero) digits is 6480000, while the sum is 49.

The spelling of 612405365453005 in words is "six hundred twelve trillion, four hundred five billion, three hundred sixty-five million, four hundred fifty-three thousand, five".