1975063049 has 2 divisors, whose sum is σ = 1975063050. Its totient is φ = 1975063048.

The previous prime is 1975063039. The next prime is 1975063099. The reversal of 1975063049 is 9403605791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1006919824 + 968143225 = 31732^2 + 31115^2 .

It is a cyclic number.

It is not a de Polignac number, because 1975063049 - 2⁴ = 1975063033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1975063039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987531524 + 987531525.

It is an arithmetic number, because the mean of its divisors is an integer number (987531525).

Almost surely, 2^1975063049 is an apocalyptic number.

It is an amenable number.

1975063049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1975063049 is an equidigital number, since it uses as much as digits as its factorization.

1975063049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 1975063049 is about 44441.6814375874. The cubic root of 1975063049 is about 1254.6627028559.

The spelling of 1975063049 in words is "one billion, nine hundred seventy-five million, sixty-three thousand, forty-nine".