61846641593 has 16 divisors (see below), whose sum is σ = 69785718912. Its totient is φ = 54320304000.

The previous prime is 61846641583. The next prime is 61846641607. The reversal of 61846641593 is 39514664816.

It is a cyclic number.

It is not a de Polignac number, because 61846641593 - 2¹⁸ = 61846379449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61846641553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619238 + ... + 712143.

It is an arithmetic number, because the mean of its divisors is an integer number (4361607432).

Almost surely, 2^61846641593 is an apocalyptic number.

It is an amenable number.

61846641593 is a deficient number, since it is larger than the sum of its proper divisors (7939077319).

61846641593 is a wasteful number, since it uses less digits than its factorization.

61846641593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331536.

The product of its digits is 3732480, while the sum is 53.

The spelling of 61846641593 in words is "sixty-one billion, eight hundred forty-six million, six hundred forty-one thousand, five hundred ninety-three".