61946564335 has 4 divisors (see below), whose sum is σ = 74335877208. Its totient is φ = 49557251464.

The previous prime is 61946564327. The next prime is 61946564341. The reversal of 61946564335 is 53346564916.

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 61946564335 - 2³ = 61946564327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6194656429 + ... + 6194656438.

It is an arithmetic number, because the mean of its divisors is an integer number (18583969302).

Almost surely, 2^61946564335 is an apocalyptic number.

61946564335 is a deficient number, since it is larger than the sum of its proper divisors (12389312873).

61946564335 is a wasteful number, since it uses less digits than its factorization.

61946564335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12389312872.

The product of its digits is 6998400, while the sum is 52.

The spelling of 61946564335 in words is "sixty-one billion, nine hundred forty-six million, five hundred sixty-four thousand, three hundred thirty-five".