61983633239 has 8 divisors (see below), whose sum is σ = 68288000400. Its totient is φ = 55790848000.

The previous prime is 61983633199. The next prime is 61983633263. The reversal of 61983633239 is 93233638916.

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 61983633239 - 2²⁴ = 61966856023 is a prime.

It is a super-2 number, since 2×61983633239² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61983633739) 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, 27894314 + ... + 27896535.

It is an arithmetic number, because the mean of its divisors is an integer number (8536000050).

Almost surely, 2^61983633239 is an apocalyptic number.

61983633239 is a deficient number, since it is larger than the sum of its proper divisors (6304367161).

61983633239 is a wasteful number, since it uses less digits than its factorization.

61983633239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55790961.

The product of its digits is 3779136, while the sum is 53.

The spelling of 61983633239 in words is "sixty-one billion, nine hundred eighty-three million, six hundred thirty-three thousand, two hundred thirty-nine".