2849991670 has 16 divisors (see below), whose sum is σ = 5146173648. Its totient is φ = 1136399200.

The previous prime is 2849991653. The next prime is 2849991671. The reversal of 2849991670 is 761999482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2849991671) 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, 446356 + ... + 452695.

It is an arithmetic number, because the mean of its divisors is an integer number (321635853).

Almost surely, 2^2849991670 is an apocalyptic number.

2849991670 is a deficient number, since it is larger than the sum of its proper divisors (2296181978).

2849991670 is a wasteful number, since it uses less digits than its factorization.

2849991670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899375.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The square root of 2849991670 is about 53385.3132425014. The cubic root of 2849991670 is about 1417.7985576978.

The spelling of 2849991670 in words is "two billion, eight hundred forty-nine million, nine hundred ninety-one thousand, six hundred seventy".