3011643061 has 4 divisors (see below), whose sum is σ = 3441877792. Its totient is φ = 2581408332.

The previous prime is 3011643053. The next prime is 3011643067. The reversal of 3011643061 is 1603461103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3011643061 - 2³ = 3011643053 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 (3011643067) 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, 215117355 + ... + 215117368.

It is an arithmetic number, because the mean of its divisors is an integer number (860469448).

Almost surely, 2^3011643061 is an apocalyptic number.

It is an amenable number.

3011643061 is a deficient number, since it is larger than the sum of its proper divisors (430234731).

3011643061 is an equidigital number, since it uses as much as digits as its factorization.

3011643061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430234730.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3011643061 is about 54878.4389446347. The cubic root of 3011643061 is about 1444.1129617318.

The spelling of 3011643061 in words is "three billion, eleven million, six hundred forty-three thousand, sixty-one".