39428789266069 has 32 divisors (see below), whose sum is σ = 47471404471040. Its totient is φ = 32039451182592.

The previous prime is 39428789266051. The next prime is 39428789266081. The reversal of 39428789266069 is 96066298782493.

It is not a de Polignac number, because 39428789266069 - 2⁷ = 39428789265941 is a prime.

It is a super-2 number, since 2×39428789266069² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39428789266069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39428789266049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226987 + ... + 8883079.

It is an arithmetic number, because the mean of its divisors is an integer number (1483481389720).

Almost surely, 2^{39428789266069} is an apocalyptic number.

It is an amenable number.

39428789266069 is a deficient number, since it is larger than the sum of its proper divisors (8042615204971).

39428789266069 is a wasteful number, since it uses less digits than its factorization.

39428789266069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8656589.

The product of its (nonzero) digits is 3386105856, while the sum is 79.

The spelling of 39428789266069 in words is "thirty-nine trillion, four hundred twenty-eight billion, seven hundred eighty-nine million, two hundred sixty-six thousand, sixty-nine".