2662486645 has 16 divisors (see below), whose sum is σ = 3932288640. Its totient is φ = 1685265984.

The previous prime is 2662486643. The next prime is 2662486649. The reversal of 2662486645 is 5466842662.

It is a cyclic number.

It is not a de Polignac number, because 2662486645 - 2¹ = 2662486643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662486643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2925355 + ... + 2926264.

It is an arithmetic number, because the mean of its divisors is an integer number (245768040).

Almost surely, 2^2662486645 is an apocalyptic number.

It is an amenable number.

2662486645 is a deficient number, since it is larger than the sum of its proper divisors (1269801995).

2662486645 is a wasteful number, since it uses less digits than its factorization.

2662486645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851644.

The product of its digits is 3317760, while the sum is 49.

The square root of 2662486645 is about 51599.2891908406. The cubic root of 2662486645 is about 1385.9976034960.

The spelling of 2662486645 in words is "two billion, six hundred sixty-two million, four hundred eighty-six thousand, six hundred forty-five".