2690820361 has 8 divisors (see below), whose sum is σ = 2784732480. Its totient is φ = 2596983312.

The previous prime is 2690820329. The next prime is 2690820373. The reversal of 2690820361 is 1630280962.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2690820361 - 2⁵ = 2690820329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2690820361.

It is not an unprimeable number, because it can be changed into a prime (2690820161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59806 + ... + 94648.

It is an arithmetic number, because the mean of its divisors is an integer number (348091560).

Almost surely, 2^2690820361 is an apocalyptic number.

It is an amenable number.

2690820361 is a deficient number, since it is larger than the sum of its proper divisors (93912119).

2690820361 is a wasteful number, since it uses less digits than its factorization.

2690820361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37535.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 2690820361 is about 51873.1179032069. The cubic root of 2690820361 is about 1390.8967801363.

The spelling of 2690820361 in words is "two billion, six hundred ninety million, eight hundred twenty thousand, three hundred sixty-one".