613782417541 has 4 divisors (see below), whose sum is σ = 640468609632. Its totient is φ = 587096225452.

The previous prime is 613782417517. The next prime is 613782417559. The reversal of 613782417541 is 145714287316.

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 not a de Polignac number, because 613782417541 - 2¹³ = 613782409349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613782417511) 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, 13343096011 + ... + 13343096056.

It is an arithmetic number, because the mean of its divisors is an integer number (160117152408).

Almost surely, 2^613782417541 is an apocalyptic number.

It is an amenable number.

613782417541 is a deficient number, since it is larger than the sum of its proper divisors (26686192091).

613782417541 is a wasteful number, since it uses less digits than its factorization.

613782417541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26686192090.

The product of its digits is 1128960, while the sum is 49.

The spelling of 613782417541 in words is "six hundred thirteen billion, seven hundred eighty-two million, four hundred seventeen thousand, five hundred forty-one".