612251544413 has 8 divisors (see below), whose sum is σ = 614014020480. Its totient is φ = 610489581120.

The previous prime is 612251544397. The next prime is 612251544469. The reversal of 612251544413 is 314445152216.

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

It is a cyclic number.

It is not a de Polignac number, because 612251544413 - 2⁴ = 612251544397 is a prime.

It is a super-2 number, since 2×612251544413² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612251544613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2330933 + ... + 2580261.

It is an arithmetic number, because the mean of its divisors is an integer number (76751752560).

Almost surely, 2^612251544413 is an apocalyptic number.

It is an amenable number.

612251544413 is a deficient number, since it is larger than the sum of its proper divisors (1762476067).

612251544413 is a wasteful number, since it uses less digits than its factorization.

612251544413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256387.

The product of its digits is 115200, while the sum is 38.

Adding to 612251544413 its reverse (314445152216), we get a palindrome (926696696629).

The spelling of 612251544413 in words is "six hundred twelve billion, two hundred fifty-one million, five hundred forty-four thousand, four hundred thirteen".