1045556429 has 2 divisors, whose sum is σ = 1045556430. Its totient is φ = 1045556428.

The previous prime is 1045556419. The next prime is 1045556461. The reversal of 1045556429 is 9246555401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1005841225 + 39715204 = 31715^2 + 6302^2 .

It is a cyclic number.

It is not a de Polignac number, because 1045556429 - 2⁸ = 1045556173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045556419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522778214 + 522778215.

It is an arithmetic number, because the mean of its divisors is an integer number (522778215).

Almost surely, 2^1045556429 is an apocalyptic number.

It is an amenable number.

1045556429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045556429 is an equidigital number, since it uses as much as digits as its factorization.

1045556429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 41.

The square root of 1045556429 is about 32335.0650068931. The cubic root of 1045556429 is about 1014.9605423603.

The spelling of 1045556429 in words is "one billion, forty-five million, five hundred fifty-six thousand, four hundred twenty-nine".