613677641 has 4 divisors (see below), whose sum is σ = 615531984. Its totient is φ = 611823300.

The previous prime is 613677587. The next prime is 613677653. The reversal of 613677641 is 146776316.

613677641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613677641 is a prime.

It is a super-3 number, since 3×613677641³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613677241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926675 + ... + 927336.

It is an arithmetic number, because the mean of its divisors is an integer number (153882996).

Almost surely, 2^613677641 is an apocalyptic number.

It is an amenable number.

613677641 is a deficient number, since it is larger than the sum of its proper divisors (1854343).

613677641 is a wasteful number, since it uses less digits than its factorization.

613677641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854342.

The product of its digits is 127008, while the sum is 41.

The square root of 613677641 is about 24772.5178574968. The cubic root of 613677641 is about 849.7935558615.

The spelling of 613677641 in words is "six hundred thirteen million, six hundred seventy-seven thousand, six hundred forty-one".