1129433651 has 2 divisors, whose sum is σ = 1129433652. Its totient is φ = 1129433650.

The previous prime is 1129433647. The next prime is 1129433671. The reversal of 1129433651 is 1563349211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1129433651 - 2² = 1129433647 is a prime.

It is a super-2 number, since 2×1129433651² = 2551240744022379602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1129433671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564716825 + 564716826.

It is an arithmetic number, because the mean of its divisors is an integer number (564716826).

Almost surely, 2^1129433651 is an apocalyptic number.

1129433651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129433651 is an equidigital number, since it uses as much as digits as its factorization.

1129433651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 1129433651 is about 33607.0476388510. The cubic root of 1129433651 is about 1041.4063970064.

The spelling of 1129433651 in words is "one billion, one hundred twenty-nine million, four hundred thirty-three thousand, six hundred fifty-one".