2142732554849 has 2 divisors, whose sum is σ = 2142732554850. Its totient is φ = 2142732554848.

The previous prime is 2142732554719. The next prime is 2142732554861. The reversal of 2142732554849 is 9484552372412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1635475226449 + 507257328400 = 1278857^2 + 712220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2142732554849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2142732554794 and 2142732554803.

It is not a weakly prime, because it can be changed into another prime (2142732554869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071366277424 + 1071366277425.

It is an arithmetic number, because the mean of its divisors is an integer number (1071366277425).

Almost surely, 2^{2142732554849} is an apocalyptic number.

It is an amenable number.

2142732554849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142732554849 is an equidigital number, since it uses as much as digits as its factorization.

2142732554849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19353600, while the sum is 56.

The spelling of 2142732554849 in words is "two trillion, one hundred forty-two billion, seven hundred thirty-two million, five hundred fifty-four thousand, eight hundred forty-nine".