501540675679 has 4 divisors (see below), whose sum is σ = 531043068384. Its totient is φ = 472038282976.

The previous prime is 501540675661. The next prime is 501540675703. The reversal of 501540675679 is 976576045105.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 501540675679 - 2⁷ = 501540675551 is a prime.

It is a super-2 number, since 2×501540675679² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501540675379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14751196327 + ... + 14751196360.

It is an arithmetic number, because the mean of its divisors is an integer number (132760767096).

Almost surely, 2^501540675679 is an apocalyptic number.

501540675679 is a deficient number, since it is larger than the sum of its proper divisors (29502392705).

501540675679 is a wasteful number, since it uses less digits than its factorization.

501540675679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29502392704.

The product of its (nonzero) digits is 7938000, while the sum is 55.

The spelling of 501540675679 in words is "five hundred one billion, five hundred forty million, six hundred seventy-five thousand, six hundred seventy-nine".