1429011161 has 2 divisors, whose sum is σ = 1429011162. Its totient is φ = 1429011160.

The previous prime is 1429011149. The next prime is 1429011209. The reversal of 1429011161 is 1611109241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 989479936 + 439531225 = 31456^2 + 20965^2 .

It is a cyclic number.

It is not a de Polignac number, because 1429011161 - 2³⁰ = 355269337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1429011161.

It is not a weakly prime, because it can be changed into another prime (1429011361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714505580 + 714505581.

It is an arithmetic number, because the mean of its divisors is an integer number (714505581).

Almost surely, 2^1429011161 is an apocalyptic number.

It is an amenable number.

1429011161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429011161 is an equidigital number, since it uses as much as digits as its factorization.

1429011161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 1429011161 is about 37802.2639665933. The cubic root of 1429011161 is about 1126.3634263892.

The spelling of 1429011161 in words is "one billion, four hundred twenty-nine million, eleven thousand, one hundred sixty-one".