428995151 has 4 divisors (see below), whose sum is σ = 461994792. Its totient is φ = 395995512.

The previous prime is 428995123. The next prime is 428995169. The reversal of 428995151 is 151599824.

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 428995151 - 2¹⁰ = 428994127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428995181) 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, 16499801 + ... + 16499826.

It is an arithmetic number, because the mean of its divisors is an integer number (115498698).

Almost surely, 2^428995151 is an apocalyptic number.

428995151 is a deficient number, since it is larger than the sum of its proper divisors (32999641).

428995151 is a wasteful number, since it uses less digits than its factorization.

428995151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32999640.

The product of its digits is 129600, while the sum is 44.

The square root of 428995151 is about 20712.1981209142. The cubic root of 428995151 is about 754.1958316299.

The spelling of 428995151 in words is "four hundred twenty-eight million, nine hundred ninety-five thousand, one hundred fifty-one".