61624841417 has 4 divisors (see below), whose sum is σ = 61640618256. Its totient is φ = 61609064580.

The previous prime is 61624841389. The next prime is 61624841429. The reversal of 61624841417 is 71414842616.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61624841417 - 2¹⁶ = 61624775881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61624841717) 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, 7882559 + ... + 7890372.

It is an arithmetic number, because the mean of its divisors is an integer number (15410154564).

Almost surely, 2^61624841417 is an apocalyptic number.

It is an amenable number.

61624841417 is a deficient number, since it is larger than the sum of its proper divisors (15776839).

61624841417 is a wasteful number, since it uses less digits than its factorization.

61624841417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15776838.

The product of its digits is 258048, while the sum is 44.

The spelling of 61624841417 in words is "sixty-one billion, six hundred twenty-four million, eight hundred forty-one thousand, four hundred seventeen".