428340958149 has 32 divisors (see below), whose sum is σ = 620850384000. Its totient is φ = 261111340800.

The previous prime is 428340958117. The next prime is 428340958151. The reversal of 428340958149 is 941859043824.

It is not a de Polignac number, because 428340958149 - 2⁵ = 428340958117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428340958109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21461827 + ... + 21481775.

It is an arithmetic number, because the mean of its divisors is an integer number (19401574500).

Almost surely, 2^428340958149 is an apocalyptic number.

It is an amenable number.

428340958149 is a deficient number, since it is larger than the sum of its proper divisors (192509425851).

428340958149 is a wasteful number, since it uses less digits than its factorization.

428340958149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25125.

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 428340958149 in words is "four hundred twenty-eight billion, three hundred forty million, nine hundred fifty-eight thousand, one hundred forty-nine".