61234011229 has 4 divisors (see below), whose sum is σ = 62727523740. Its totient is φ = 59740498720.

The previous prime is 61234011221. The next prime is 61234011257. The reversal of 61234011229 is 92211043216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 815388025 + 60418623204 = 28555^2 + 245802^2 .

It is a cyclic number.

It is not a de Polignac number, because 61234011229 - 2³ = 61234011221 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 61234011229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61234011221) 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 3 ways as a sum of consecutive naturals, for example, 746756194 + ... + 746756275.

It is an arithmetic number, because the mean of its divisors is an integer number (15681880935).

Almost surely, 2^61234011229 is an apocalyptic number.

It is an amenable number.

61234011229 is a deficient number, since it is larger than the sum of its proper divisors (1493512511).

61234011229 is a wasteful number, since it uses less digits than its factorization.

61234011229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493512510.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 61234011229 in words is "sixty-one billion, two hundred thirty-four million, eleven thousand, two hundred twenty-nine".