2119761390 has 16 divisors (see below), whose sum is σ = 5087427408. Its totient is φ = 565269696.

The previous prime is 2119761389. The next prime is 2119761401. The reversal of 2119761390 is 931679112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35329327 + ... + 35329386.

It is an arithmetic number, because the mean of its divisors is an integer number (317964213).

Almost surely, 2^2119761390 is an apocalyptic number.

2119761390 is an abundant number, since it is smaller than the sum of its proper divisors (2967666018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2119761390 is a wasteful number, since it uses less digits than its factorization.

2119761390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70658723.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 2119761390 is about 46040.8665209507. The cubic root of 2119761390 is about 1284.5834599985.

The spelling of 2119761390 in words is "two billion, one hundred nineteen million, seven hundred sixty-one thousand, three hundred ninety".