506851748425 has 36 divisors (see below), whose sum is σ = 693579701808. Its totient is φ = 367150300000.

The previous prime is 506851748419. The next prime is 506851748441. The reversal of 506851748425 is 524847158605.

It is a de Polignac number, because none of the positive numbers 2^k-506851748425 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 425502 + ... + 1093048.

It is an arithmetic number, because the mean of its divisors is an integer number (19266102828).

Almost surely, 2^506851748425 is an apocalyptic number.

506851748425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

506851748425 is a deficient number, since it is larger than the sum of its proper divisors (186727953383).

506851748425 is a wasteful number, since it uses less digits than its factorization.

506851748425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667830 (or 667814 counting only the distinct ones).

The product of its (nonzero) digits is 10752000, while the sum is 55.

The spelling of 506851748425 in words is "five hundred six billion, eight hundred fifty-one million, seven hundred forty-eight thousand, four hundred twenty-five".