1429920441 has 6 divisors (see below), whose sum is σ = 2065440650. Its totient is φ = 953280288.

The previous prime is 1429920397. The next prime is 1429920467. The reversal of 1429920441 is 1440299241.

It can be written as a sum of positive squares in only one way, i.e., 830650041 + 599270400 = 28821^2 + 24480^2 .

It is not a de Polignac number, because 1429920441 - 2¹⁸ = 1429658297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1429920396 and 1429920405.

It is not an unprimeable number, because it can be changed into a prime (1429920641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79440016 + ... + 79440033.

Almost surely, 2^1429920441 is an apocalyptic number.

It is an amenable number.

1429920441 is a deficient number, since it is larger than the sum of its proper divisors (635520209).

1429920441 is a wasteful number, since it uses less digits than its factorization.

1429920441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158880055 (or 158880052 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1429920441 is about 37814.2888469425. The cubic root of 1429920441 is about 1126.6022774709.

The spelling of 1429920441 in words is "one billion, four hundred twenty-nine million, nine hundred twenty thousand, four hundred forty-one".