61983010615679 has 4 divisors (see below), whose sum is σ = 61983330538680. Its totient is φ = 61982690692680.

The previous prime is 61983010615663. The next prime is 61983010615709. The reversal of 61983010615679 is 97651601038916.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61983010615679 - 2⁴ = 61983010615663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61983010615619) 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, 159670709 + ... + 160058430.

It is an arithmetic number, because the mean of its divisors is an integer number (15495832634670).

Almost surely, 2^{61983010615679} is an apocalyptic number.

61983010615679 is a deficient number, since it is larger than the sum of its proper divisors (319923001).

61983010615679 is a wasteful number, since it uses less digits than its factorization.

61983010615679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319923000.

The product of its (nonzero) digits is 14696640, while the sum is 62.

The spelling of 61983010615679 in words is "sixty-one trillion, nine hundred eighty-three billion, ten million, six hundred fifteen thousand, six hundred seventy-nine".