2691680202 has 48 divisors (see below), whose sum is σ = 6227103168. Its totient is φ = 838252800.

The previous prime is 2691680191. The next prime is 2691680209. The reversal of 2691680202 is 2020861962.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2691680209) 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 23 ways as a sum of consecutive naturals, for example, 57799 + ... + 93402.

It is an arithmetic number, because the mean of its divisors is an integer number (129731316).

Almost surely, 2^2691680202 is an apocalyptic number.

2691680202 is an abundant number, since it is smaller than the sum of its proper divisors (3535422966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2691680202 is a wasteful number, since it uses less digits than its factorization.

2691680202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151275 (or 151272 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2691680202 is about 51881.4051660130. The cubic root of 2691680202 is about 1391.0449162129.

The spelling of 2691680202 in words is "two billion, six hundred ninety-one million, six hundred eighty thousand, two hundred two".