1429858561 has 2 divisors, whose sum is σ = 1429858562. Its totient is φ = 1429858560.

The previous prime is 1429858553. The next prime is 1429858567. The reversal of 1429858561 is 1658589241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1314425025 + 115433536 = 36255^2 + 10744^2 .

It is a cyclic number.

It is not a de Polignac number, because 1429858561 - 2³ = 1429858553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1429858567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714929280 + 714929281.

It is an arithmetic number, because the mean of its divisors is an integer number (714929281).

Almost surely, 2^1429858561 is an apocalyptic number.

It is an amenable number.

1429858561 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429858561 is an equidigital number, since it uses as much as digits as its factorization.

1429858561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 49.

The square root of 1429858561 is about 37813.4706288645. The cubic root of 1429858561 is about 1126.5860259479.

The spelling of 1429858561 in words is "one billion, four hundred twenty-nine million, eight hundred fifty-eight thousand, five hundred sixty-one".