1429434581 has 8 divisors (see below), whose sum is σ = 1505212800. Its totient is φ = 1353710880.

The previous prime is 1429434577. The next prime is 1429434599. The reversal of 1429434581 is 1854349241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1429434581 - 2² = 1429434577 is a prime.

It is a super-2 number, since 2×1429434581² = 4086566442717291122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422434581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47201 + ... + 71321.

It is an arithmetic number, because the mean of its divisors is an integer number (188151600).

Almost surely, 2^1429434581 is an apocalyptic number.

It is an amenable number.

1429434581 is a deficient number, since it is larger than the sum of its proper divisors (75778219).

1429434581 is a wasteful number, since it uses less digits than its factorization.

1429434581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27259.

The product of its digits is 138240, while the sum is 41.

The square root of 1429434581 is about 37807.8640100178. The cubic root of 1429434581 is about 1126.4746636135.

The spelling of 1429434581 in words is "one billion, four hundred twenty-nine million, four hundred thirty-four thousand, five hundred eighty-one".