34991147718 has 40 divisors (see below), whose sum is σ = 78562150128. Its totient is φ = 11640500496.

The previous prime is 34991147701. The next prime is 34991147747. The reversal of 34991147718 is 81774119943.

It is a happy number.

34991147718 is a `hidden beast` number, since 3 + 499 + 1 + 147 + 7 + 1 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 133221 + ... + 296192.

Almost surely, 2^34991147718 is an apocalyptic number.

34991147718 is an abundant number, since it is smaller than the sum of its proper divisors (43571002410).

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

34991147718 is a wasteful number, since it uses less digits than its factorization.

34991147718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429930 (or 429921 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The spelling of 34991147718 in words is "thirty-four billion, nine hundred ninety-one million, one hundred forty-seven thousand, seven hundred eighteen".