2125183593649 has 2 divisors, whose sum is σ = 2125183593650. Its totient is φ = 2125183593648.

The previous prime is 2125183593583. The next prime is 2125183593721. The reversal of 2125183593649 is 9463953815212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1352727172624 + 772456421025 = 1163068^2 + 878895^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125183593649 - 2⁷ = 2125183593521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2125183593593 and 2125183593602.

It is not a weakly prime, because it can be changed into another prime (2125183594649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062591796824 + 1062591796825.

It is an arithmetic number, because the mean of its divisors is an integer number (1062591796825).

Almost surely, 2^{2125183593649} is an apocalyptic number.

It is an amenable number.

2125183593649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125183593649 is an equidigital number, since it uses as much as digits as its factorization.

2125183593649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13996800, while the sum is 58.

The spelling of 2125183593649 in words is "two trillion, one hundred twenty-five billion, one hundred eighty-three million, five hundred ninety-three thousand, six hundred forty-nine".