2143372128676 has 81 divisors (see below), whose sum is σ = 4033117631361. Its totient is φ = 996544929888.

The previous prime is 2143372128661. The next prime is 2143372128743. The reversal of 2143372128676 is 6768212733412.

The square root of 2143372128676 is 1464026.

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., 498760812900 + 1644611315776 = 706230^2 + 1282424^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3282345966 + ... + 3282346618.

Almost surely, 2^{2143372128676} is an apocalyptic number.

2143372128676 is the 1464026-th square number.

It is an amenable number.

2143372128676 is a deficient number, since it is larger than the sum of its proper divisors (1889745502685).

2143372128676 is an frugal number, since it uses more digits than its factorization.

2143372128676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466 (or 733 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 52.

The spelling of 2143372128676 in words is "two trillion, one hundred forty-three billion, three hundred seventy-two million, one hundred twenty-eight thousand, six hundred seventy-six".