1425950429 has 8 divisors (see below), whose sum is σ = 1512737208. Its totient is φ = 1339486720.

The previous prime is 1425950423. The next prime is 1425950441. The reversal of 1425950429 is 9240595241.

It can be written as a sum of positive squares in 4 ways, for example, as 716793529 + 709156900 = 26773^2 + 26630^2 .

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 1425950429 - 2¹⁶ = 1425884893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425950423) 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 7 ways as a sum of consecutive naturals, for example, 71642 + ... + 89355.

It is an arithmetic number, because the mean of its divisors is an integer number (189092151).

Almost surely, 2^1425950429 is an apocalyptic number.

It is an amenable number.

1425950429 is a deficient number, since it is larger than the sum of its proper divisors (86786779).

1425950429 is a wasteful number, since it uses less digits than its factorization.

1425950429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161535.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 1425950429 is about 37761.7588176187. The cubic root of 1425950429 is about 1125.5586832322.

The spelling of 1425950429 in words is "one billion, four hundred twenty-five million, nine hundred fifty thousand, four hundred twenty-nine".