1429451491 has 16 divisors (see below), whose sum is σ = 1647012640. Its totient is φ = 1229541120.

The previous prime is 1429451489. The next prime is 1429451497. The reversal of 1429451491 is 1941549241.

It is a cyclic number.

It is not a de Polignac number, because 1429451491 - 2¹ = 1429451489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1429451497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32370 + ... + 62503.

It is an arithmetic number, because the mean of its divisors is an integer number (102938290).

Almost surely, 2^1429451491 is an apocalyptic number.

1429451491 is a deficient number, since it is larger than the sum of its proper divisors (217561149).

1429451491 is a wasteful number, since it uses less digits than its factorization.

1429451491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94966.

The product of its digits is 51840, while the sum is 40.

The square root of 1429451491 is about 37808.0876400804. The cubic root of 1429451491 is about 1126.4791056056.

The spelling of 1429451491 in words is "one billion, four hundred twenty-nine million, four hundred fifty-one thousand, four hundred ninety-one".