61723514441 has 16 divisors (see below), whose sum is σ = 65480636928. Its totient is φ = 58078944000.

The previous prime is 61723514401. The next prime is 61723514459. The reversal of 61723514441 is 14441532716.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61723514441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61723514395 and 61723514404.

It is not an unprimeable number, because it can be changed into a prime (61723514401) 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, 1763966 + ... + 1798616.

It is an arithmetic number, because the mean of its divisors is an integer number (4092539808).

Almost surely, 2^61723514441 is an apocalyptic number.

It is an amenable number.

61723514441 is a deficient number, since it is larger than the sum of its proper divisors (3757122487).

61723514441 is a wasteful number, since it uses less digits than its factorization.

61723514441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36272.

The product of its digits is 80640, while the sum is 38.

The spelling of 61723514441 in words is "sixty-one billion, seven hundred twenty-three million, five hundred fourteen thousand, four hundred forty-one".