34168999381 has 4 divisors (see below), whose sum is σ = 37275272064. Its totient is φ = 31062726700.

The previous prime is 34168999373. The next prime is 34168999439. The reversal of 34168999381 is 18399986143.

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 34168999381 - 2³ = 34168999373 is a prime.

It is a super-2 number, since 2×34168999381² (a number of 22 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 (34168999681) 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, 1553136325 + ... + 1553136346.

It is an arithmetic number, because the mean of its divisors is an integer number (9318818016).

Almost surely, 2^34168999381 is an apocalyptic number.

It is an amenable number.

34168999381 is a deficient number, since it is larger than the sum of its proper divisors (3106272683).

34168999381 is a wasteful number, since it uses less digits than its factorization.

34168999381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106272682.

The product of its digits is 10077696, while the sum is 61.

The spelling of 34168999381 in words is "thirty-four billion, one hundred sixty-eight million, nine hundred ninety-nine thousand, three hundred eighty-one".