270105387449 has 2 divisors, whose sum is σ = 270105387450. Its totient is φ = 270105387448.

The previous prime is 270105387413. The next prime is 270105387481. The reversal of 270105387449 is 944783501072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196532622400 + 73572765049 = 443320^2 + 271243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-270105387449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 270105387397 and 270105387406.

It is not a weakly prime, because it can be changed into another prime (270105387499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135052693724 + 135052693725.

It is an arithmetic number, because the mean of its divisors is an integer number (135052693725).

Almost surely, 2^270105387449 is an apocalyptic number.

It is an amenable number.

270105387449 is a deficient number, since it is larger than the sum of its proper divisors (1).

270105387449 is an equidigital number, since it uses as much as digits as its factorization.

270105387449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 270105387449 in words is "two hundred seventy billion, one hundred five million, three hundred eighty-seven thousand, four hundred forty-nine".