1074397949 has 2 divisors, whose sum is σ = 1074397950. Its totient is φ = 1074397948.

The previous prime is 1074397913. The next prime is 1074397963. The reversal of 1074397949 is 9497934701.

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., 826965049 + 247432900 = 28757^2 + 15730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1074397949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1074397949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1074397979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537198974 + 537198975.

It is an arithmetic number, because the mean of its divisors is an integer number (537198975).

Almost surely, 2^1074397949 is an apocalyptic number.

It is an amenable number.

1074397949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074397949 is an equidigital number, since it uses as much as digits as its factorization.

1074397949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 1074397949 is about 32778.0101439975. The cubic root of 1074397949 is about 1024.2085340502.

The spelling of 1074397949 in words is "one billion, seventy-four million, three hundred ninety-seven thousand, nine hundred forty-nine".