2142801736 has 16 divisors (see below), whose sum is σ = 4062897900. Its totient is φ = 1059362304.

The previous prime is 2142801733. The next prime is 2142801743. The reversal of 2142801736 is 6371082412.

It can be written as a sum of positive squares in 2 ways, for example, as 2142764100 + 37636 = 46290^2 + 194^2 .

It is a super-2 number, since 2×2142801736² = 9183198559609227392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2142801733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1504065 + ... + 1505488.

Almost surely, 2^2142801736 is an apocalyptic number.

It is an amenable number.

2142801736 is a deficient number, since it is larger than the sum of its proper divisors (1920096164).

2142801736 is a wasteful number, since it uses less digits than its factorization.

2142801736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009648 (or 3009644 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2142801736 is about 46290.4065223022. The cubic root of 2142801736 is about 1289.2208776036.

The spelling of 2142801736 in words is "two billion, one hundred forty-two million, eight hundred one thousand, seven hundred thirty-six".