61323650141 has 4 divisors (see below), whose sum is σ = 66040854012. Its totient is φ = 56606446272.

The previous prime is 61323650137. The next prime is 61323650147. The reversal of 61323650141 is 14105632316.

61323650141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 38094842041 + 23228808100 = 195179^2 + 152410^2 .

It is a cyclic number.

It is not a de Polignac number, because 61323650141 - 2² = 61323650137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 61323650098 and 61323650107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61323650147) 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, 2358601916 + ... + 2358601941.

It is an arithmetic number, because the mean of its divisors is an integer number (16510213503).

Almost surely, 2^61323650141 is an apocalyptic number.

It is an amenable number.

61323650141 is a deficient number, since it is larger than the sum of its proper divisors (4717203871).

61323650141 is a wasteful number, since it uses less digits than its factorization.

61323650141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717203870.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 61323650141 in words is "sixty-one billion, three hundred twenty-three million, six hundred fifty thousand, one hundred forty-one".