7187143035649 has 2 divisors, whose sum is σ = 7187143035650. Its totient is φ = 7187143035648.

The previous prime is 7187143035581. The next prime is 7187143035671. The reversal of 7187143035649 is 9465303417817.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7123667760400 + 63475275249 = 2669020^2 + 251943^2 .

It is a cyclic number.

It is not a de Polignac number, because 7187143035649 - 2¹⁵ = 7187143002881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7187143035593 and 7187143035602.

It is not a weakly prime, because it can be changed into another prime (7187143035679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3593571517824 + 3593571517825.

It is an arithmetic number, because the mean of its divisors is an integer number (3593571517825).

Almost surely, 2^{7187143035649} is an apocalyptic number.

It is an amenable number.

7187143035649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7187143035649 is an equidigital number, since it uses as much as digits as its factorization.

7187143035649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 7187143035649 in words is "seven trillion, one hundred eighty-seven billion, one hundred forty-three million, thirty-five thousand, six hundred forty-nine".