2138970600484 has 9 divisors (see below), whose sum is σ = 3743203669681. Its totient is φ = 1069483837720.

The previous prime is 2138970600449. The next prime is 2138970600517. The reversal of 2138970600484 is 4840060798312.

The square root of 2138970600484 is 1462522.

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., 4917094884 + 2134053505600 = 70122^2 + 1460840^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2559414 + ... + 3290674.

Almost surely, 2^{2138970600484} is an apocalyptic number.

2138970600484 is the 1462522-nd square number.

It is an amenable number.

2138970600484 is a deficient number, since it is larger than the sum of its proper divisors (1604233069197).

2138970600484 is an frugal number, since it uses more digits than its factorization.

2138970600484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462526 (or 731263 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 2138970600484 in words is "two trillion, one hundred thirty-eight billion, nine hundred seventy million, six hundred thousand, four hundred eighty-four".