61934616843 has 16 divisors (see below), whose sum is σ = 90094208256. Its totient is φ = 37533009440.

The previous prime is 61934616833. The next prime is 61934616899. The reversal of 61934616843 is 34861643916.

61934616843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 61934616843 - 2⁵ = 61934616811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61934616803) 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, 361705 + ... + 504677.

It is an arithmetic number, because the mean of its divisors is an integer number (5630888016).

Almost surely, 2^61934616843 is an apocalyptic number.

61934616843 is a deficient number, since it is larger than the sum of its proper divisors (28159591413).

61934616843 is a wasteful number, since it uses less digits than its factorization.

61934616843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156114.

The product of its digits is 2239488, while the sum is 51.

The spelling of 61934616843 in words is "sixty-one billion, nine hundred thirty-four million, six hundred sixteen thousand, eight hundred forty-three".