2611242645 has 64 divisors (see below), whose sum is σ = 4722520320. Its totient is φ = 1221017600.

The previous prime is 2611242643. The next prime is 2611242661. The reversal of 2611242645 is 5462421162.

2611242645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2611242645 - 2¹ = 2611242643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2611242643) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 599917 + ... + 604253.

It is an arithmetic number, because the mean of its divisors is an integer number (73789380).

Almost surely, 2^2611242645 is an apocalyptic number.

It is an amenable number.

2611242645 is a deficient number, since it is larger than the sum of its proper divisors (2111277675).

2611242645 is a wasteful number, since it uses less digits than its factorization.

2611242645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4486.

The product of its digits is 23040, while the sum is 33.

The square root of 2611242645 is about 51100.3194217022. The cubic root of 2611242645 is about 1377.0479929521.

The spelling of 2611242645 in words is "two billion, six hundred eleven million, two hundred forty-two thousand, six hundred forty-five".