61913305613210 has 8 divisors (see below), whose sum is σ = 111443950103796. Its totient is φ = 24765322245280.

The previous prime is 61913305613207. The next prime is 61913305613213. The reversal of 61913305613210 is 1231650331916.

It is an interprime number because it is at equal distance from previous prime (61913305613207) and next prime (61913305613213).

It can be written as a sum of positive squares in 2 ways, for example, as 61046766177049 + 866539436161 = 7813243^2 + 930881^2 .

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

It is not an unprimeable number, because it can be changed into a prime (61913305613213) 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, 3095665280651 + ... + 3095665280670.

Almost surely, 2^{61913305613210} is an apocalyptic number.

61913305613210 is a deficient number, since it is larger than the sum of its proper divisors (49530644490586).

61913305613210 is a wasteful number, since it uses less digits than its factorization.

61913305613210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6191330561328.

The product of its (nonzero) digits is 87480, while the sum is 41.

The spelling of 61913305613210 in words is "sixty-one trillion, nine hundred thirteen billion, three hundred five million, six hundred thirteen thousand, two hundred ten".