1428829951 has 4 divisors (see below), whose sum is σ = 1463679504. Its totient is φ = 1393980400.

The previous prime is 1428829891. The next prime is 1428829973. The reversal of 1428829951 is 1599288241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1428829951 - 2⁷ = 1428829823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1428829895 and 1428829904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428829151) 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 3 ways as a sum of consecutive naturals, for example, 17424715 + ... + 17424796.

It is an arithmetic number, because the mean of its divisors is an integer number (365919876).

Almost surely, 2^1428829951 is an apocalyptic number.

1428829951 is a deficient number, since it is larger than the sum of its proper divisors (34849553).

1428829951 is an equidigital number, since it uses as much as digits as its factorization.

1428829951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34849552.

The product of its digits is 414720, while the sum is 49.

The square root of 1428829951 is about 37799.8670764859. The cubic root of 1428829951 is about 1126.3158137579.

The spelling of 1428829951 in words is "one billion, four hundred twenty-eight million, eight hundred twenty-nine thousand, nine hundred fifty-one".