275642211220247 has 8 divisors (see below), whose sum is σ = 278464028440416. Its totient is φ = 272827104625152.

The previous prime is 275642211220153. The next prime is 275642211220333. The reversal of 275642211220247 is 742022112246572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 275642211220247 - 2¹⁰ = 275642211219223 is a prime.

It is a super-2 number, since 2×275642211220247² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275642211220447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1677573698 + ... + 1677737999.

It is an arithmetic number, because the mean of its divisors is an integer number (34808003555052).

Almost surely, 2^{275642211220247} is an apocalyptic number.

275642211220247 is a deficient number, since it is larger than the sum of its proper divisors (2821817220169).

275642211220247 is a wasteful number, since it uses less digits than its factorization.

275642211220247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355312537.

The product of its (nonzero) digits is 1505280, while the sum is 47.

The spelling of 275642211220247 in words is "two hundred seventy-five trillion, six hundred forty-two billion, two hundred eleven million, two hundred twenty thousand, two hundred forty-seven".