34345615551 has 32 divisors (see below), whose sum is σ = 49951813632. Its totient is φ = 20864027520.

The previous prime is 34345615489. The next prime is 34345615553. The reversal of 34345615551 is 15551654343.

It is a happy number.

It is not a de Polignac number, because 34345615551 - 2²⁶ = 34278506687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34345615553) 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, 4758021 + ... + 4765233.

It is an arithmetic number, because the mean of its divisors is an integer number (1560994176).

Almost surely, 2^34345615551 is an apocalyptic number.

34345615551 is a deficient number, since it is larger than the sum of its proper divisors (15606198081).

34345615551 is a wasteful number, since it uses less digits than its factorization.

34345615551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8783.

The product of its digits is 540000, while the sum is 42.

The spelling of 34345615551 in words is "thirty-four billion, three hundred forty-five million, six hundred fifteen thousand, five hundred fifty-one".