61060434381 has 6 divisors (see below), whose sum is σ = 88198405230. Its totient is φ = 40706956248.

The previous prime is 61060434373. The next prime is 61060434397. The reversal of 61060434381 is 18343406016.

It is a happy number.

61060434381 is a `hidden beast` number, since 6 + 1 + 0 + 604 + 3 + 43 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48649360356 + 12411074025 = 220566^2 + 111405^2 .

It is not a de Polignac number, because 61060434381 - 2³ = 61060434373 is a prime.

It is a super-2 number, since 2×61060434381² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61060434341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3392246346 + ... + 3392246363.

It is an arithmetic number, because the mean of its divisors is an integer number (14699734205).

Almost surely, 2^61060434381 is an apocalyptic number.

It is an amenable number.

61060434381 is a deficient number, since it is larger than the sum of its proper divisors (27137970849).

61060434381 is a wasteful number, since it uses less digits than its factorization.

61060434381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6784492715 (or 6784492712 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 61060434381 in words is "sixty-one billion, sixty million, four hundred thirty-four thousand, three hundred eighty-one".