34385670381 has 32 divisors (see below), whose sum is σ = 50733112320. Its totient is φ = 20605485824.

The previous prime is 34385670377. The next prime is 34385670401. The reversal of 34385670381 is 18307658343.

It is not a de Polignac number, because 34385670381 - 2² = 34385670377 is a prime.

It is a super-2 number, since 2×34385670381² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34385670381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34385670581) 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, 750766 + ... + 795248.

It is an arithmetic number, because the mean of its divisors is an integer number (1585409760).

Almost surely, 2^34385670381 is an apocalyptic number.

It is an amenable number.

34385670381 is a deficient number, since it is larger than the sum of its proper divisors (16347441939).

34385670381 is a wasteful number, since it uses less digits than its factorization.

34385670381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45185.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 34385670381 in words is "thirty-four billion, three hundred eighty-five million, six hundred seventy thousand, three hundred eighty-one".