2119021790 has 32 divisors (see below), whose sum is σ = 3900908160. Its totient is φ = 828400384.

The previous prime is 2119021787. The next prime is 2119021799. The reversal of 2119021790 is 971209112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119021799) 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, 377444 + ... + 383016.

It is an arithmetic number, because the mean of its divisors is an integer number (121903380).

Almost surely, 2^2119021790 is an apocalyptic number.

2119021790 is a deficient number, since it is larger than the sum of its proper divisors (1781886370).

2119021790 is a wasteful number, since it uses less digits than its factorization.

2119021790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 2119021790 is about 46032.8338254338. The cubic root of 2119021790 is about 1284.4340424825.

The spelling of 2119021790 in words is "two billion, one hundred nineteen million, twenty-one thousand, seven hundred ninety".