4266261872569 has 4 divisors (see below), whose sum is σ = 4266276139300. Its totient is φ = 4266247605840.

The previous prime is 4266261872567. The next prime is 4266261872573. The reversal of 4266261872569 is 9652781626624.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2409051660544 + 1857210212025 = 1552112^2 + 1362795^2 .

It is a cyclic number.

It is not a de Polignac number, because 4266261872569 - 2¹ = 4266261872567 is a prime.

It is a super-2 number, since 2×4266261872569² (a number of 26 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 4266261872569.

It is not an unprimeable number, because it can be changed into a prime (4266261872567) 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, 6674994 + ... + 7286155.

It is an arithmetic number, because the mean of its divisors is an integer number (1066569034825).

Almost surely, 2^{4266261872569} is an apocalyptic number.

It is an amenable number.

4266261872569 is a deficient number, since it is larger than the sum of its proper divisors (14266731).

4266261872569 is a wasteful number, since it uses less digits than its factorization.

4266261872569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14266730.

The product of its digits is 104509440, while the sum is 64.

The spelling of 4266261872569 in words is "four trillion, two hundred sixty-six billion, two hundred sixty-one million, eight hundred seventy-two thousand, five hundred sixty-nine".