34243506637 has 4 divisors (see below), whose sum is σ = 36045796480. Its totient is φ = 32441216796.

The previous prime is 34243506631. The next prime is 34243506643. The reversal of 34243506637 is 73660534243.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73660534243 = 443 ⋅166276601.

It is an interprime number because it is at equal distance from previous prime (34243506631) and next prime (34243506643).

It is a cyclic number.

It is not a de Polignac number, because 34243506637 - 2³ = 34243506629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34243506593 and 34243506602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34243506631) 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, 901144893 + ... + 901144930.

It is an arithmetic number, because the mean of its divisors is an integer number (9011449120).

Almost surely, 2^34243506637 is an apocalyptic number.

It is an amenable number.

34243506637 is a deficient number, since it is larger than the sum of its proper divisors (1802289843).

34243506637 is a wasteful number, since it uses less digits than its factorization.

34243506637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802289842.

The product of its (nonzero) digits is 1088640, while the sum is 43.

The spelling of 34243506637 in words is "thirty-four billion, two hundred forty-three million, five hundred six thousand, six hundred thirty-seven".