61304370783 has 16 divisors (see below), whose sum is σ = 82356048480. Its totient is φ = 40561284096.

The previous prime is 61304370781. The next prime is 61304370797. The reversal of 61304370783 is 38707340316.

It is not a de Polignac number, because 61304370783 - 2¹ = 61304370781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61304370781) 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, 1898013 + ... + 1930041.

It is an arithmetic number, because the mean of its divisors is an integer number (5147253030).

Almost surely, 2^61304370783 is an apocalyptic number.

61304370783 is a deficient number, since it is larger than the sum of its proper divisors (21051677697).

61304370783 is a wasteful number, since it uses less digits than its factorization.

61304370783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36826.

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 61304370783 in words is "sixty-one billion, three hundred four million, three hundred seventy thousand, seven hundred eighty-three".