61597034013 has 8 divisors (see below), whose sum is σ = 82202517088. Its totient is φ = 41028120144.

The previous prime is 61597033987. The next prime is 61597034033. The reversal of 61597034013 is 31043079516.

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

It is not a de Polignac number, because 61597034013 - 2¹³ = 61597025821 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 (61597034033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9138370 + ... + 9145107.

It is an arithmetic number, because the mean of its divisors is an integer number (10275314636).

Almost surely, 2^61597034013 is an apocalyptic number.

It is an amenable number.

61597034013 is a deficient number, since it is larger than the sum of its proper divisors (20605483075).

61597034013 is a wasteful number, since it uses less digits than its factorization.

61597034013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18284603.

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 61597034013 in words is "sixty-one billion, five hundred ninety-seven million, thirty-four thousand, thirteen".