34608649157 has 4 divisors (see below), whose sum is σ = 34609021740. Its totient is φ = 34608276576.

The previous prime is 34608649151. The next prime is 34608649183. The reversal of 34608649157 is 75194680643.

It is a Cunningham number, because it is equal to 186034²+1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 534811876 + 34073837281 = 23126^2 + 184591^2 .

It is a cyclic number.

It is not a de Polignac number, because 34608649157 - 2⁸ = 34608648901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34608649099 and 34608649108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34608649151) 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, 78473 + ... + 274545.

It is an arithmetic number, because the mean of its divisors is an integer number (8652255435).

Almost surely, 2^34608649157 is an apocalyptic number.

It is an amenable number.

34608649157 is a deficient number, since it is larger than the sum of its proper divisors (372583).

34608649157 is a wasteful number, since it uses less digits than its factorization.

34608649157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372582.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 34608649157 in words is "thirty-four billion, six hundred eight million, six hundred forty-nine thousand, one hundred fifty-seven".