34136623621 has 4 divisors (see below), whose sum is σ = 35620824672. Its totient is φ = 32652422572.

The previous prime is 34136623607. The next prime is 34136623649. The reversal of 34136623621 is 12632663143.

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 34136623621 - 2⁹ = 34136623109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34136623681) 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, 742100491 + ... + 742100536.

It is an arithmetic number, because the mean of its divisors is an integer number (8905206168).

Almost surely, 2^34136623621 is an apocalyptic number.

It is an amenable number.

34136623621 is a deficient number, since it is larger than the sum of its proper divisors (1484201051).

34136623621 is a wasteful number, since it uses less digits than its factorization.

34136623621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484201050.

The product of its digits is 93312, while the sum is 37.

The spelling of 34136623621 in words is "thirty-four billion, one hundred thirty-six million, six hundred twenty-three thousand, six hundred twenty-one".