34949391312 has 160 divisors (see below), whose sum is σ = 103921920000. Its totient is φ = 10009681920.

The previous prime is 34949391287. The next prime is 34949391317. The reversal of 34949391312 is 21319394943.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34949391317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4500489 + ... + 4508247.

It is an arithmetic number, because the mean of its divisors is an integer number (649512000).

Almost surely, 2^34949391312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34949391312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51960960000).

34949391312 is an abundant number, since it is smaller than the sum of its proper divisors (68972528688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34949391312 is a wasteful number, since it uses less digits than its factorization.

34949391312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8249 (or 8243 counting only the distinct ones).

The product of its digits is 629856, while the sum is 48.

The spelling of 34949391312 in words is "thirty-four billion, nine hundred forty-nine million, three hundred ninety-one thousand, three hundred twelve".