61067390573 has 6 divisors (see below), whose sum is σ = 71037576846. Its totient is φ = 52343477592.

The previous prime is 61067390569. The next prime is 61067390663. The reversal of 61067390573 is 37509376016.

It can be written as a sum of positive squares in only one way, i.e., 61037655364 + 29735209 = 247058^2 + 5453^2 .

It is not a de Polignac number, because 61067390573 - 2² = 61067390569 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61067390563) 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 5 ways as a sum of consecutive naturals, for example, 623136590 + ... + 623136687.

It is an arithmetic number, because the mean of its divisors is an integer number (11839596141).

Almost surely, 2^61067390573 is an apocalyptic number.

It is an amenable number.

61067390573 is a deficient number, since it is larger than the sum of its proper divisors (9970186273).

61067390573 is a wasteful number, since it uses less digits than its factorization.

61067390573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246273291 (or 1246273284 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 47.

The spelling of 61067390573 in words is "sixty-one billion, sixty-seven million, three hundred ninety thousand, five hundred seventy-three".