2948683661 has 16 divisors (see below), whose sum is σ = 3775643520. Its totient is φ = 2235574080.

The previous prime is 2948683649. The next prime is 2948683687. The reversal of 2948683661 is 1663868492.

It is a cyclic number.

It is not a de Polignac number, because 2948683661 - 2³⁰ = 1874941837 is a prime.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2948683631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514646 + ... + 520343.

It is an arithmetic number, because the mean of its divisors is an integer number (235977720).

Almost surely, 2^2948683661 is an apocalyptic number.

It is an amenable number.

2948683661 is a deficient number, since it is larger than the sum of its proper divisors (826959859).

2948683661 is a wasteful number, since it uses less digits than its factorization.

2948683661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035044.

The product of its digits is 2985984, while the sum is 53.

The square root of 2948683661 is about 54301.7832211798. The cubic root of 2948683661 is about 1433.9787901616.

The spelling of 2948683661 in words is "two billion, nine hundred forty-eight million, six hundred eighty-three thousand, six hundred sixty-one".