34581142813261 has 4 divisors (see below), whose sum is σ = 37724883069024. Its totient is φ = 31437402557500.

The previous prime is 34581142813247. The next prime is 34581142813267. The reversal of 34581142813261 is 16231824118543.

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 34581142813261 - 2²⁹ = 34580605942349 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34581142813267) 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, 1571870127865 + ... + 1571870127886.

It is an arithmetic number, because the mean of its divisors is an integer number (9431220767256).

Almost surely, 2^{34581142813261} is an apocalyptic number.

It is an amenable number.

34581142813261 is a deficient number, since it is larger than the sum of its proper divisors (3143740255763).

34581142813261 is a wasteful number, since it uses less digits than its factorization.

34581142813261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143740255762.

The product of its digits is 1105920, while the sum is 49.

The spelling of 34581142813261 in words is "thirty-four trillion, five hundred eighty-one billion, one hundred forty-two million, eight hundred thirteen thousand, two hundred sixty-one".