61996436301313 has 8 divisors (see below), whose sum is σ = 63017821601280. Its totient is φ = 60975213913680.

The previous prime is 61996436301277. The next prime is 61996436301379. The reversal of 61996436301313 is 31310363469916.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61996436301313 is a prime.

It is a super-2 number, since 2×61996436301313² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61996436301913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39960595 + ... + 41483032.

It is an arithmetic number, because the mean of its divisors is an integer number (7877227700160).

Almost surely, 2^{61996436301313} is an apocalyptic number.

It is an amenable number.

61996436301313 is a deficient number, since it is larger than the sum of its proper divisors (1021385299967).

61996436301313 is a wasteful number, since it uses less digits than its factorization.

61996436301313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81456167.

The product of its (nonzero) digits is 5668704, while the sum is 55.

The spelling of 61996436301313 in words is "sixty-one trillion, nine hundred ninety-six billion, four hundred thirty-six million, three hundred one thousand, three hundred thirteen".