2142657743524 has 27 divisors (see below), whose sum is σ = 3843551875233. Its totient is φ = 1045140348000.

The previous prime is 2142657743497. The next prime is 2142657743539. The reversal of 2142657743524 is 4253477562412.

The square root of 2142657743524 is 1463782.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 103245257124 + 2039412486400 = 321318^2 + 1428080^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 120021199 + ... + 120039049.

Almost surely, 2^{2142657743524} is an apocalyptic number.

2142657743524 is the 1463782-nd square number.

It is an amenable number.

2142657743524 is a deficient number, since it is larger than the sum of its proper divisors (1700894131709).

2142657743524 is an frugal number, since it uses more digits than its factorization.

2142657743524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35788 (or 17894 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 52.

The spelling of 2142657743524 in words is "two trillion, one hundred forty-two billion, six hundred fifty-seven million, seven hundred forty-three thousand, five hundred twenty-four".