61340404317 has 8 divisors (see below), whose sum is σ = 82244118240. Its totient is φ = 40665146640.

The previous prime is 61340404313. The next prime is 61340404319. The reversal of 61340404317 is 71340404316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61340404317 - 2² = 61340404313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61340404313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57113434 + ... + 57114507.

It is an arithmetic number, because the mean of its divisors is an integer number (10280514780).

Almost surely, 2^61340404317 is an apocalyptic number.

It is an amenable number.

61340404317 is a deficient number, since it is larger than the sum of its proper divisors (20903713923).

61340404317 is a wasteful number, since it uses less digits than its factorization.

61340404317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114228123.

The product of its (nonzero) digits is 24192, while the sum is 33.

Subtracting 61340404317 from its reverse (71340404316), we obtain a palindrome (9999999999).

The spelling of 61340404317 in words is "sixty-one billion, three hundred forty million, four hundred four thousand, three hundred seventeen".