613261642 has 8 divisors (see below), whose sum is σ = 1051305696. Its totient is φ = 262826412.

The previous prime is 613261601. The next prime is 613261661. The reversal of 613261642 is 246162316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21902188 + ... + 21902215.

It is an arithmetic number, because the mean of its divisors is an integer number (131413212).

Almost surely, 2^613261642 is an apocalyptic number.

613261642 is a deficient number, since it is larger than the sum of its proper divisors (438044054).

613261642 is a wasteful number, since it uses less digits than its factorization.

613261642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43804412.

The product of its digits is 10368, while the sum is 31.

The square root of 613261642 is about 24764.1200530122. The cubic root of 613261642 is about 849.6014934737.

The spelling of 613261642 in words is "six hundred thirteen million, two hundred sixty-one thousand, six hundred forty-two".