61300743691 has 16 divisors (see below), whose sum is σ = 68689450368. Its totient is φ = 54234734400.

The previous prime is 61300743661. The next prime is 61300743697. The reversal of 61300743691 is 19634700316.

It is not a de Polignac number, because 61300743691 - 2⁵ = 61300743659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61300743697) 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 15 ways as a sum of consecutive naturals, for example, 439890 + ... + 562231.

It is an arithmetic number, because the mean of its divisors is an integer number (4293090648).

Almost surely, 2^61300743691 is an apocalyptic number.

61300743691 is a deficient number, since it is larger than the sum of its proper divisors (7388706677).

61300743691 is a wasteful number, since it uses less digits than its factorization.

61300743691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002282.

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 61300743691 in words is "sixty-one billion, three hundred million, seven hundred forty-three thousand, six hundred ninety-one".