429780241 has 4 divisors (see below), whose sum is σ = 468851184. Its totient is φ = 390709300.

The previous prime is 429780229. The next prime is 429780251. The reversal of 429780241 is 142087924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-429780241 is a prime.

It is a super-2 number, since 2×429780241² = 369422111108036162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 429780241.

It is not an unprimeable number, because it can be changed into a prime (429780251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19535455 + ... + 19535476.

It is an arithmetic number, because the mean of its divisors is an integer number (117212796).

Almost surely, 2^429780241 is an apocalyptic number.

It is an amenable number.

429780241 is a deficient number, since it is larger than the sum of its proper divisors (39070943).

429780241 is a wasteful number, since it uses less digits than its factorization.

429780241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39070942.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 429780241 is about 20731.1418161181. The cubic root of 429780241 is about 754.6556276358.

The spelling of 429780241 in words is "four hundred twenty-nine million, seven hundred eighty thousand, two hundred forty-one".