34218887381 has 8 divisors (see below), whose sum is σ = 39112908864. Its totient is φ = 29326268160.

The previous prime is 34218887371. The next prime is 34218887413. The reversal of 34218887381 is 18378881243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34218887381 - 2⁶ = 34218887317 is a prime.

It is a super-2 number, since 2×34218887381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34218887371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297740 + ... + 396341.

It is an arithmetic number, because the mean of its divisors is an integer number (4889113608).

Almost surely, 2^34218887381 is an apocalyptic number.

It is an amenable number.

34218887381 is a deficient number, since it is larger than the sum of its proper divisors (4894021483).

34218887381 is an equidigital number, since it uses as much as digits as its factorization.

34218887381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701131.

The product of its digits is 2064384, while the sum is 53.

The spelling of 34218887381 in words is "thirty-four billion, two hundred eighteen million, eight hundred eighty-seven thousand, three hundred eighty-one".