424905717387 has 16 divisors (see below), whose sum is σ = 567113699840. Its totient is φ = 282984256800.

The previous prime is 424905717367. The next prime is 424905717391. The reversal of 424905717387 is 783717509424.

It is not a de Polignac number, because 424905717387 - 2³⁰ = 423831975563 is a prime.

It is a super-2 number, since 2×424905717387² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424905717307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12708462 + ... + 12741852.

It is an arithmetic number, because the mean of its divisors is an integer number (35444606240).

Almost surely, 2^424905717387 is an apocalyptic number.

424905717387 is a deficient number, since it is larger than the sum of its proper divisors (142207982453).

424905717387 is a wasteful number, since it uses less digits than its factorization.

424905717387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37554.

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 424905717387 in words is "four hundred twenty-four billion, nine hundred five million, seven hundred seventeen thousand, three hundred eighty-seven".