61751731363463 has 8 divisors (see below), whose sum is σ = 61895414106000. Its totient is φ = 61608075959808.

The previous prime is 61751731363433. The next prime is 61751731363477. The reversal of 61751731363463 is 36436313715716.

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

It is a cyclic number.

It is not a de Polignac number, because 61751731363463 - 2¹⁰ = 61751731362439 is a prime.

It is a super-2 number, since 2×61751731363463² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61751731363399 and 61751731363408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61751731363403) 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, 2308481 + ... + 11350442.

It is an arithmetic number, because the mean of its divisors is an integer number (7736926763250).

Almost surely, 2^{61751731363463} is an apocalyptic number.

61751731363463 is a deficient number, since it is larger than the sum of its proper divisors (143682742537).

61751731363463 is a wasteful number, since it uses less digits than its factorization.

61751731363463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13669441.

The product of its digits is 17146080, while the sum is 56.

The spelling of 61751731363463 in words is "sixty-one trillion, seven hundred fifty-one billion, seven hundred thirty-one million, three hundred sixty-three thousand, four hundred sixty-three".