61883430371 has 16 divisors (see below), whose sum is σ = 71119663104. Its totient is φ = 52746924384.

The previous prime is 61883430353. The next prime is 61883430377. The reversal of 61883430371 is 17303438816.

61883430371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61883430371 - 2⁶ = 61883430307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61883430377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917030 + ... + 982196.

It is an arithmetic number, because the mean of its divisors is an integer number (4444978944).

Almost surely, 2^61883430371 is an apocalyptic number.

61883430371 is a deficient number, since it is larger than the sum of its proper divisors (9236232733).

61883430371 is a wasteful number, since it uses less digits than its factorization.

61883430371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65930.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 61883430371 in words is "sixty-one billion, eight hundred eighty-three million, four hundred thirty thousand, three hundred seventy-one".