1007521737449 has 2 divisors, whose sum is σ = 1007521737450. Its totient is φ = 1007521737448.

The previous prime is 1007521737427. The next prime is 1007521737451. The reversal of 1007521737449 is 9447371257001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 871035823849 + 136485913600 = 933293^2 + 369440^2 .

It is a cyclic number.

It is not a de Polignac number, because 1007521737449 - 2⁸ = 1007521737193 is a prime.

Together with 1007521737451, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1007521737397 and 1007521737406.

It is not a weakly prime, because it can be changed into another prime (1007521737499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503760868724 + 503760868725.

It is an arithmetic number, because the mean of its divisors is an integer number (503760868725).

Almost surely, 2^{1007521737449} is an apocalyptic number.

It is an amenable number.

1007521737449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1007521737449 is an equidigital number, since it uses as much as digits as its factorization.

1007521737449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 1007521737449 in words is "one trillion, seven billion, five hundred twenty-one million, seven hundred thirty-seven thousand, four hundred forty-nine".