61429703799 has 16 divisors (see below), whose sum is σ = 83076917760. Its totient is φ = 40370594880.

The previous prime is 61429703791. The next prime is 61429703831. The reversal of 61429703799 is 99730792416.

It is not a de Polignac number, because 61429703799 - 2³ = 61429703791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61429703791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259167 + ... + 435920.

It is an arithmetic number, because the mean of its divisors is an integer number (5192307360).

Almost surely, 2^61429703799 is an apocalyptic number.

61429703799 is a deficient number, since it is larger than the sum of its proper divisors (21647213961).

61429703799 is a wasteful number, since it uses less digits than its factorization.

61429703799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695510.

The product of its (nonzero) digits is 5143824, while the sum is 57.

The spelling of 61429703799 in words is "sixty-one billion, four hundred twenty-nine million, seven hundred three thousand, seven hundred ninety-nine".