1429744091 has 8 divisors (see below), whose sum is σ = 1505364480. Its totient is φ = 1354160808.

The previous prime is 1429744079. The next prime is 1429744093. The reversal of 1429744091 is 1904479241.

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 1429744091 - 2²⁶ = 1362635227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1429744093) 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, 107870 + ... + 120396.

It is an arithmetic number, because the mean of its divisors is an integer number (188170560).

Almost surely, 2^1429744091 is an apocalyptic number.

1429744091 is a deficient number, since it is larger than the sum of its proper divisors (75620389).

1429744091 is a wasteful number, since it uses less digits than its factorization.

1429744091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18553.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 1429744091 is about 37811.9569845307. The cubic root of 1429744091 is about 1126.5559614955. Note that the first 3 decimals are identical.

The spelling of 1429744091 in words is "one billion, four hundred twenty-nine million, seven hundred forty-four thousand, ninety-one".