271961153413 has 4 divisors (see below), whose sum is σ = 271999149280. Its totient is φ = 271923157548.

The previous prime is 271961153411. The next prime is 271961153417. The reversal of 271961153413 is 314351169172.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 271961153413 - 2¹ = 271961153411 is a prime.

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 271961153413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271961153411) 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, 18987195 + ... + 19001512.

It is an arithmetic number, because the mean of its divisors is an integer number (67999787320).

Almost surely, 2^271961153413 is an apocalyptic number.

It is an amenable number.

271961153413 is a deficient number, since it is larger than the sum of its proper divisors (37995867).

271961153413 is an equidigital number, since it uses as much as digits as its factorization.

271961153413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37995866.

The product of its digits is 136080, while the sum is 43.

The spelling of 271961153413 in words is "two hundred seventy-one billion, nine hundred sixty-one million, one hundred fifty-three thousand, four hundred thirteen".