1522541242949 has 2 divisors, whose sum is σ = 1522541242950. Its totient is φ = 1522541242948.

The previous prime is 1522541242931. The next prime is 1522541243009. The reversal of 1522541242949 is 9492421452251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1096223658049 + 426317584900 = 1047007^2 + 652930^2 .

It is a cyclic number.

It is not a de Polignac number, because 1522541242949 - 2⁸ = 1522541242693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1522541242897 and 1522541242906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1522541242249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761270621474 + 761270621475.

It is an arithmetic number, because the mean of its divisors is an integer number (761270621475).

Almost surely, 2^{1522541242949} is an apocalyptic number.

It is an amenable number.

1522541242949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1522541242949 is an equidigital number, since it uses as much as digits as its factorization.

1522541242949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 50.

The spelling of 1522541242949 in words is "one trillion, five hundred twenty-two billion, five hundred forty-one million, two hundred forty-two thousand, nine hundred forty-nine".