34826837781 has 4 divisors (see below), whose sum is σ = 46435783712. Its totient is φ = 23217891852.

The previous prime is 34826837779. The next prime is 34826837809. The reversal of 34826837781 is 18773862843.

It is a happy number.

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 not a de Polignac number, because 34826837781 - 2¹ = 34826837779 is a prime.

It is a super-2 number, since 2×34826837781² (a number of 22 digits) contains 22 as substring.

It is the 186620-th Hogben 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 (34826827781) by changing a digit.

It is a nontrivial repunit in base 186619.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5804472961 + ... + 5804472966.

It is an arithmetic number, because the mean of its divisors is an integer number (11608945928).

Almost surely, 2^34826837781 is an apocalyptic number.

It is an amenable number.

34826837781 is a deficient number, since it is larger than the sum of its proper divisors (11608945931).

34826837781 is a wasteful number, since it uses less digits than its factorization.

34826837781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11608945930.

The product of its digits is 10838016, while the sum is 57.

The spelling of 34826837781 in words is "thirty-four billion, eight hundred twenty-six million, eight hundred thirty-seven thousand, seven hundred eighty-one".