61332743995 has 8 divisors (see below), whose sum is σ = 74426251680. Its totient is φ = 48514889280.

The previous prime is 61332743993. The next prime is 61332744023. The reversal of 61332743995 is 59934723316.

It is a happy number.

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

It is not a de Polignac number, because 61332743995 - 2¹ = 61332743993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61332743993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68912751 + ... + 68913640.

It is an arithmetic number, because the mean of its divisors is an integer number (9303281460).

Almost surely, 2^61332743995 is an apocalyptic number.

61332743995 is a deficient number, since it is larger than the sum of its proper divisors (13093507685).

61332743995 is a wasteful number, since it uses less digits than its factorization.

61332743995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137826485.

The product of its digits is 3674160, while the sum is 52.

The spelling of 61332743995 in words is "sixty-one billion, three hundred thirty-two million, seven hundred forty-three thousand, nine hundred ninety-five".