428693788495 has 16 divisors (see below), whose sum is σ = 588117795840. Its totient is φ = 293864012064.

The previous prime is 428693788489. The next prime is 428693788513. The reversal of 428693788495 is 594887396824.

It is not a de Polignac number, because 428693788495 - 2¹³ = 428693780303 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1922887 + ... + 2134216.

It is an arithmetic number, because the mean of its divisors is an integer number (36757362240).

Almost surely, 2^428693788495 is an apocalyptic number.

428693788495 is a deficient number, since it is larger than the sum of its proper divisors (159424007345).

428693788495 is a wasteful number, since it uses less digits than its factorization.

428693788495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060134.

The product of its digits is 836075520, while the sum is 73.

The spelling of 428693788495 in words is "four hundred twenty-eight billion, six hundred ninety-three million, seven hundred eighty-eight thousand, four hundred ninety-five".