2665149614 has 4 divisors (see below), whose sum is σ = 3997724424. Its totient is φ = 1332574806.

The previous prime is 2665149581. The next prime is 2665149623. The reversal of 2665149614 is 4169415662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4169415662 = 2 ⋅2084707831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666287402 + ... + 666287405.

It is an arithmetic number, because the mean of its divisors is an integer number (999431106).

Almost surely, 2^2665149614 is an apocalyptic number.

2665149614 is a deficient number, since it is larger than the sum of its proper divisors (1332574810).

2665149614 is a wasteful number, since it uses less digits than its factorization.

2665149614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332574809.

The product of its digits is 311040, while the sum is 44.

The square root of 2665149614 is about 51625.0870604593. The cubic root of 2665149614 is about 1386.4595324262.

The spelling of 2665149614 in words is "two billion, six hundred sixty-five million, one hundred forty-nine thousand, six hundred fourteen".