2142965798 has 16 divisors (see below), whose sum is σ = 3355472736. Its totient is φ = 1024510080.

The previous prime is 2142965791. The next prime is 2142965809. The reversal of 2142965798 is 8975692412.

It is a super-2 number, since 2×2142965798² = 9184604822795553608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142965791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142478 + ... + 156798.

It is an arithmetic number, because the mean of its divisors is an integer number (209717046).

Almost surely, 2^2142965798 is an apocalyptic number.

2142965798 is a deficient number, since it is larger than the sum of its proper divisors (1212506938).

2142965798 is a wasteful number, since it uses less digits than its factorization.

2142965798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17599.

The product of its digits is 2177280, while the sum is 53.

The square root of 2142965798 is about 46292.1785834281. The cubic root of 2142965798 is about 1289.2537795055.

The spelling of 2142965798 in words is "two billion, one hundred forty-two million, nine hundred sixty-five thousand, seven hundred ninety-eight".