2990666801 has 8 divisors (see below), whose sum is σ = 3009825000. Its totient is φ = 2971537920.

The previous prime is 2990666797. The next prime is 2990666827. The reversal of 2990666801 is 1086660992.

It can be written as a sum of positive squares in 4 ways, for example, as 416119201 + 2574547600 = 20399^2 + 50740^2 .

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 2990666801 - 2² = 2990666797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2990666831) 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, 219455 + ... + 232683.

It is an arithmetic number, because the mean of its divisors is an integer number (376228125).

Almost surely, 2^2990666801 is an apocalyptic number.

It is an amenable number.

2990666801 is a deficient number, since it is larger than the sum of its proper divisors (19158199).

2990666801 is a wasteful number, since it uses less digits than its factorization.

2990666801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14659.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 2990666801 is about 54686.9893210442. The cubic root of 2990666801 is about 1440.7523719103.

The spelling of 2990666801 in words is "two billion, nine hundred ninety million, six hundred sixty-six thousand, eight hundred one".