47026424472509 has 2 divisors, whose sum is σ = 47026424472510. Its totient is φ = 47026424472508.

The previous prime is 47026424472481. The next prime is 47026424472551. The reversal of 47026424472509 is 90527442462074.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40003765471609 + 7022659000900 = 6324853^2 + 2650030^2 .

It is a cyclic number.

It is not a de Polignac number, because 47026424472509 - 2²⁸ = 47026156037053 is a prime.

It is a super-2 number, since 2×47026424472509² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47026424472589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23513212236254 + 23513212236255.

It is an arithmetic number, because the mean of its divisors is an integer number (23513212236255).

Almost surely, 2^{47026424472509} is an apocalyptic number.

It is an amenable number.

47026424472509 is a deficient number, since it is larger than the sum of its proper divisors (1).

47026424472509 is an equidigital number, since it uses as much as digits as its factorization.

47026424472509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27095040, while the sum is 56.

The spelling of 47026424472509 in words is "forty-seven trillion, twenty-six billion, four hundred twenty-four million, four hundred seventy-two thousand, five hundred nine".