61642033535 has 8 divisors (see below), whose sum is σ = 74688600480. Its totient is φ = 48834853344.

The previous prime is 61642033493. The next prime is 61642033543. The reversal of 61642033535 is 53533024616.

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 61642033535 - 2³⁰ = 60568291711 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59846120 + ... + 59847149.

It is an arithmetic number, because the mean of its divisors is an integer number (9336075060).

Almost surely, 2^61642033535 is an apocalyptic number.

61642033535 is a deficient number, since it is larger than the sum of its proper divisors (13046566945).

61642033535 is a wasteful number, since it uses less digits than its factorization.

61642033535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119693377.

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 61642033535 in words is "sixty-one billion, six hundred forty-two million, thirty-three thousand, five hundred thirty-five".