61914618241 has 16 divisors (see below), whose sum is σ = 72387177984. Its totient is φ = 51852777984.

The previous prime is 61914618217. The next prime is 61914618253. The reversal of 61914618241 is 14281641916.

It is not a de Polignac number, because 61914618241 - 2⁵ = 61914618209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61914618841) 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, 36421 + ... + 353773.

It is an arithmetic number, because the mean of its divisors is an integer number (4524198624).

Almost surely, 2^61914618241 is an apocalyptic number.

It is an amenable number.

61914618241 is a deficient number, since it is larger than the sum of its proper divisors (10472559743).

61914618241 is a wasteful number, since it uses less digits than its factorization.

61914618241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318000.

The product of its digits is 82944, while the sum is 43.

The spelling of 61914618241 in words is "sixty-one billion, nine hundred fourteen million, six hundred eighteen thousand, two hundred forty-one".