613210025377 has 4 divisors (see below), whose sum is σ = 614074920340. Its totient is φ = 612345130416.

The previous prime is 613210025369. The next prime is 613210025401. The reversal of 613210025377 is 773520012316.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96243273361 + 516966752016 = 310231^2 + 719004^2 .

It is a cyclic number.

It is not a de Polignac number, because 613210025377 - 2³ = 613210025369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613210025317) 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 3 ways as a sum of consecutive naturals, for example, 432446418 + ... + 432447835.

It is an arithmetic number, because the mean of its divisors is an integer number (153518730085).

Almost surely, 2^613210025377 is an apocalyptic number.

It is an amenable number.

613210025377 is a deficient number, since it is larger than the sum of its proper divisors (864894963).

613210025377 is an equidigital number, since it uses as much as digits as its factorization.

613210025377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864894962.

The product of its (nonzero) digits is 52920, while the sum is 37.

The spelling of 613210025377 in words is "six hundred thirteen billion, two hundred ten million, twenty-five thousand, three hundred seventy-seven".