61434045194 has 8 divisors (see below), whose sum is σ = 92180717220. Its totient is φ = 30707139456.

The previous prime is 61434045193. The next prime is 61434045241. The reversal of 61434045194 is 49154043416.

It can be written as a sum of positive squares in 2 ways, for example, as 61386504169 + 47541025 = 247763^2 + 6895^2 .

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

It is not an unprimeable number, because it can be changed into a prime (61434045191) 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, 4933799 + ... + 4946234.

Almost surely, 2^61434045194 is an apocalyptic number.

61434045194 is a deficient number, since it is larger than the sum of its proper divisors (30746672026).

61434045194 is a wasteful number, since it uses less digits than its factorization.

61434045194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9883144.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 61434045194 in words is "sixty-one billion, four hundred thirty-four million, forty-five thousand, one hundred ninety-four".