1049063921 has 2 divisors, whose sum is σ = 1049063922. Its totient is φ = 1049063920.

The previous prime is 1049063903. The next prime is 1049063959. The reversal of 1049063921 is 1293609401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1029703921 + 19360000 = 32089^2 + 4400^2 .

It is a cyclic number.

It is not a de Polignac number, because 1049063921 - 2⁶ = 1049063857 is a prime.

It is a super-2 number, since 2×1049063921² = 2201070220687788482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1049063621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524531960 + 524531961.

It is an arithmetic number, because the mean of its divisors is an integer number (524531961).

Almost surely, 2^1049063921 is an apocalyptic number.

It is an amenable number.

1049063921 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049063921 is an equidigital number, since it uses as much as digits as its factorization.

1049063921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 1049063921 is about 32389.2562588276. The cubic root of 1049063921 is about 1016.0942266056.

The spelling of 1049063921 in words is "one billion, forty-nine million, sixty-three thousand, nine hundred twenty-one".