501279470047 has 2 divisors, whose sum is σ = 501279470048. Its totient is φ = 501279470046.

The previous prime is 501279470023. The next prime is 501279470059. The reversal of 501279470047 is 740074972105.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501279470047 is a prime.

It is a super-2 number, since 2×501279470047² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501279469979 and 501279470006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501279470647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250639735023 + 250639735024.

It is an arithmetic number, because the mean of its divisors is an integer number (250639735024).

Almost surely, 2^501279470047 is an apocalyptic number.

501279470047 is a deficient number, since it is larger than the sum of its proper divisors (1).

501279470047 is an equidigital number, since it uses as much as digits as its factorization.

501279470047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 501279470047 in words is "five hundred one billion, two hundred seventy-nine million, four hundred seventy thousand, forty-seven".