1429429250 has 32 divisors (see below), whose sum is σ = 2683240560. Its totient is φ = 570201600.

The previous prime is 1429429249. The next prime is 1429429259. The reversal of 1429429250 is 529249241.

It can be written as a sum of positive squares in 8 ways, for example, as 1874161 + 1427555089 = 1369^2 + 37783^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1429429259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85586 + ... + 100914.

Almost surely, 2^1429429250 is an apocalyptic number.

1429429250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1429429250 is a deficient number, since it is larger than the sum of its proper divisors (1253811310).

1429429250 is a wasteful number, since it uses less digits than its factorization.

1429429250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15719 (or 15709 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1429429250 is about 37807.7935087463. The cubic root of 1429429250 is about 1126.4732632360.

Subtracting from 1429429250 its reverse (529249241), we obtain a square (900180009 = 30003²).

The spelling of 1429429250 in words is "one billion, four hundred twenty-nine million, four hundred twenty-nine thousand, two hundred fifty".