47426569 has 2 divisors, whose sum is σ = 47426570. Its totient is φ = 47426568.

The previous prime is 47426543. The next prime is 47426579. The reversal of 47426569 is 96562474.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38900169 + 8526400 = 6237^2 + 2920^2 .

It is a cyclic number.

It is not a de Polignac number, because 47426569 - 2¹³ = 47418377 is a prime.

It is a super-2 number, since 2×47426569² = 4498558894223522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47426539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23713284 + 23713285.

It is an arithmetic number, because the mean of its divisors is an integer number (23713285).

Almost surely, 2^47426569 is an apocalyptic number.

It is an amenable number.

47426569 is a deficient number, since it is larger than the sum of its proper divisors (1).

47426569 is an equidigital number, since it uses as much as digits as its factorization.

47426569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 47426569 is about 6886.6950709321. The cubic root of 47426569 is about 361.9711040903.

It can be divided in two parts, 4742 and 6569, that added together give a palindrome (11311).

The spelling of 47426569 in words is "forty-seven million, four hundred twenty-six thousand, five hundred sixty-nine".