538475601868765 has 32 divisors (see below), whose sum is σ = 746433399000960. Its totient is φ = 368555374387200.

The previous prime is 538475601868739. The next prime is 538475601868777. The reversal of 538475601868765 is 567868106574835.

It is not a de Polignac number, because 538475601868765 - 2³¹ = 538473454385117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8137591 + ... + 33810820.

It is an arithmetic number, because the mean of its divisors is an integer number (23326043718780).

Almost surely, 2^{538475601868765} is an apocalyptic number.

538475601868765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

538475601868765 is a deficient number, since it is larger than the sum of its proper divisors (207957797132195).

538475601868765 is a wasteful number, since it uses less digits than its factorization.

538475601868765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41962173.

The product of its (nonzero) digits is 8128512000, while the sum is 79.

The spelling of 538475601868765 in words is "five hundred thirty-eight trillion, four hundred seventy-five billion, six hundred one million, eight hundred sixty-eight thousand, seven hundred sixty-five".