2900561867 has 8 divisors (see below), whose sum is σ = 3356889600. Its totient is φ = 2454724584.

The previous prime is 2900561863. The next prime is 2900561891. The reversal of 2900561867 is 7681650092.

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 2900561867 - 2² = 2900561863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2900561863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2622017 + ... + 2623122.

It is an arithmetic number, because the mean of its divisors is an integer number (419611200).

Almost surely, 2^2900561867 is an apocalyptic number.

2900561867 is a deficient number, since it is larger than the sum of its proper divisors (456327733).

2900561867 is an equidigital number, since it uses as much as digits as its factorization.

2900561867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245225.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 2900561867 is about 53856.8646228129. The cubic root of 2900561867 is about 1426.1352385038.

The spelling of 2900561867 in words is "two billion, nine hundred million, five hundred sixty-one thousand, eight hundred sixty-seven".