613948184243 has 4 divisors (see below), whose sum is σ = 613951976448. Its totient is φ = 613944392040.

The previous prime is 613948184231. The next prime is 613948184321. The reversal of 613948184243 is 342481849316.

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

It is a cyclic number.

It is not a de Polignac number, because 613948184243 - 2⁸ = 613948183987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613948184543) 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, 1641896 + ... + 1980837.

It is an arithmetic number, because the mean of its divisors is an integer number (153487994112).

Almost surely, 2^613948184243 is an apocalyptic number.

613948184243 is a deficient number, since it is larger than the sum of its proper divisors (3792205).

613948184243 is a wasteful number, since it uses less digits than its factorization.

613948184243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792204.

The product of its digits is 3981312, while the sum is 53.

The spelling of 613948184243 in words is "six hundred thirteen billion, nine hundred forty-eight million, one hundred eighty-four thousand, two hundred forty-three".