34071778061 has 4 divisors (see below), whose sum is σ = 34714641852. Its totient is φ = 33428914272.

The previous prime is 34071778043. The next prime is 34071778087. The reversal of 34071778061 is 16087717043.

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 8080212100 + 25991565961 = 89890^2 + 161219^2 .

It is a cyclic number.

It is not a de Polignac number, because 34071778061 - 2³⁰ = 32998036237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34071778021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321431816 + ... + 321431921.

It is an arithmetic number, because the mean of its divisors is an integer number (8678660463).

Almost surely, 2^34071778061 is an apocalyptic number.

It is an amenable number.

34071778061 is a deficient number, since it is larger than the sum of its proper divisors (642863791).

34071778061 is an equidigital number, since it uses as much as digits as its factorization.

34071778061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642863790.

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 34071778061 in words is "thirty-four billion, seventy-one million, seven hundred seventy-eight thousand, sixty-one".