612508151641 has 27 divisors (see below), whose sum is σ = 686988480351. Its totient is φ = 545911902144.

The previous prime is 612508151639. The next prime is 612508151659. The reversal of 612508151641 is 146151805216.

The square root of 612508151641 is 782629.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 476866208025 + 135641943616 = 690555^2 + 368296^2 .

It is not a de Polignac number, because 612508151641 - 2¹ = 612508151639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612508151594 and 612508151603.

It is not an unprimeable number, because it can be changed into a prime (612508151621) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 252787956 + ... + 252790378.

Almost surely, 2^612508151641 is an apocalyptic number.

612508151641 is the 782629-th square number.

612508151641 is the 391315-th centered octagonal number.

It is an amenable number.

612508151641 is a deficient number, since it is larger than the sum of its proper divisors (74480328710).

612508151641 is an frugal number, since it uses more digits than its factorization.

612508151641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4918 (or 2459 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

Adding to 612508151641 its reverse (146151805216), we get a palindrome (758659956857).

The spelling of 612508151641 in words is "six hundred twelve billion, five hundred eight million, one hundred fifty-one thousand, six hundred forty-one".