2608690049 has 8 divisors (see below), whose sum is σ = 2990887680. Its totient is φ = 2228874336.

The previous prime is 2608690037. The next prime is 2608690111. The reversal of 2608690049 is 9400968062.

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 2608690049 - 2⁸ = 2608689793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2608689991 and 2608690009.

It is not an unprimeable number, because it can be changed into a prime (2608690649) 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, 593129 + ... + 597510.

It is an arithmetic number, because the mean of its divisors is an integer number (373860960).

Almost surely, 2^2608690049 is an apocalyptic number.

It is an amenable number.

2608690049 is a deficient number, since it is larger than the sum of its proper divisors (382197631).

2608690049 is a wasteful number, since it uses less digits than its factorization.

2608690049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190959.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 2608690049 is about 51075.3369935040. The cubic root of 2608690049 is about 1376.5991398368.

The spelling of 2608690049 in words is "two billion, six hundred eight million, six hundred ninety thousand, forty-nine".