1048981049 has 2 divisors, whose sum is σ = 1048981050. Its totient is φ = 1048981048.

The previous prime is 1048980997. The next prime is 1048981057. The reversal of 1048981049 is 9401898401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 902401600 + 146579449 = 30040^2 + 12107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1048981049 - 2¹² = 1048976953 is a prime.

It is a super-2 number, since 2×1048981049² = 2200722482322280802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1048981099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524490524 + 524490525.

It is an arithmetic number, because the mean of its divisors is an integer number (524490525).

Almost surely, 2^1048981049 is an apocalyptic number.

It is an amenable number.

1048981049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1048981049 is an equidigital number, since it uses as much as digits as its factorization.

1048981049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 1048981049 is about 32387.9769204561. The cubic root of 1048981049 is about 1016.0674700606.

The spelling of 1048981049 in words is "one billion, forty-eight million, nine hundred eighty-one thousand, forty-nine".