61301642242 has 8 divisors (see below), whose sum is σ = 91957807116. Its totient is φ = 30649039872.

The previous prime is 61301642231. The next prime is 61301642263. The reversal of 61301642242 is 24224610316.

It can be written as a sum of positive squares in 2 ways, for example, as 60550937041 + 750705201 = 246071^2 + 27399^2 .

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

It is a super-3 number, since 3×61301642242³ (a number of 33 digits) contains 333 as substring.

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, 847183 + ... + 916690.

Almost surely, 2^61301642242 is an apocalyptic number.

61301642242 is a deficient number, since it is larger than the sum of its proper divisors (30656164874).

61301642242 is a wasteful number, since it uses less digits than its factorization.

61301642242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781252.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 61301642242 in words is "sixty-one billion, three hundred one million, six hundred forty-two thousand, two hundred forty-two".