2609662149 has 12 divisors (see below), whose sum is σ = 3770450112. Its totient is φ = 1739341800.

The previous prime is 2609662123. The next prime is 2609662189. The reversal of 2609662149 is 9412669062.

It is not a de Polignac number, because 2609662149 - 2⁵ = 2609662117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2609662189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4494 + ... + 72384.

It is an arithmetic number, because the mean of its divisors is an integer number (314204176).

Almost surely, 2^2609662149 is an apocalyptic number.

It is an amenable number.

2609662149 is a deficient number, since it is larger than the sum of its proper divisors (1160787963).

2609662149 is a wasteful number, since it uses less digits than its factorization.

2609662149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72168 (or 72165 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 2609662149 is about 51084.8524417953. The cubic root of 2609662149 is about 1376.7701101721.

The spelling of 2609662149 in words is "two billion, six hundred nine million, six hundred sixty-two thousand, one hundred forty-nine".