508172385343 has 24 divisors (see below), whose sum is σ = 615821164560. Its totient is φ = 417749834880.

The previous prime is 508172385277. The next prime is 508172385349. The reversal of 508172385343 is 343583271805.

It is not a de Polignac number, because 508172385343 - 2⁹ = 508172384831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508172385349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2025096 + ... + 2262157.

It is an arithmetic number, because the mean of its divisors is an integer number (25659215190).

Almost surely, 2^508172385343 is an apocalyptic number.

508172385343 is a deficient number, since it is larger than the sum of its proper divisors (107648779217).

508172385343 is a wasteful number, since it uses less digits than its factorization.

508172385343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287367 (or 4287360 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 508172385343 in words is "five hundred eight billion, one hundred seventy-two million, three hundred eighty-five thousand, three hundred forty-three".