1429708431 has 16 divisors (see below), whose sum is σ = 1949525856. Its totient is φ = 931746816.

The previous prime is 1429708403. The next prime is 1429708481. The reversal of 1429708431 is 1348079241.

It is not a de Polignac number, because 1429708431 - 2⁷ = 1429708303 is a prime.

It is a super-2 number, since 2×1429708431² = 4088132395344963522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1429708431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429708481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4140 + ... + 53633.

It is an arithmetic number, because the mean of its divisors is an integer number (121845366).

Almost surely, 2^1429708431 is an apocalyptic number.

1429708431 is a deficient number, since it is larger than the sum of its proper divisors (519817425).

1429708431 is a wasteful number, since it uses less digits than its factorization.

1429708431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57962.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1429708431 is about 37811.4854376286. The cubic root of 1429708431 is about 1126.5465954093.

The spelling of 1429708431 in words is "one billion, four hundred twenty-nine million, seven hundred eight thousand, four hundred thirty-one".