61051884433 has 4 divisors (see below), whose sum is σ = 61082612080. Its totient is φ = 61021156788.

The previous prime is 61051884431. The next prime is 61051884451. The reversal of 61051884433 is 33448815016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61051884433 - 2¹ = 61051884431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61051884433.

It is not an unprimeable number, because it can be changed into a prime (61051884431) 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, 15360843 + ... + 15364816.

It is an arithmetic number, because the mean of its divisors is an integer number (15270653020).

Almost surely, 2^61051884433 is an apocalyptic number.

It is an amenable number.

61051884433 is a deficient number, since it is larger than the sum of its proper divisors (30727647).

61051884433 is a wasteful number, since it uses less digits than its factorization.

61051884433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30727646.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 61051884433 in words is "sixty-one billion, fifty-one million, eight hundred eighty-four thousand, four hundred thirty-three".