3534216406623 has 16 divisors (see below), whose sum is σ = 5983858466560. Its totient is φ = 2019552232248.

The previous prime is 3534216406573. The next prime is 3534216406663. The reversal of 3534216406623 is 3266046124353.

3534216406623 is a `hidden beast` number, since 3 + 5 + 3 + 4 + 2 + 16 + 4 + 0 + 6 + 623 = 666.

It is not a de Polignac number, because 3534216406623 - 2¹⁸ = 3534216144479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3534216406663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9349778665 + ... + 9349779042.

It is an arithmetic number, because the mean of its divisors is an integer number (373991154160).

Almost surely, 2^{3534216406623} is an apocalyptic number.

3534216406623 is a deficient number, since it is larger than the sum of its proper divisors (2449642059937).

3534216406623 is a wasteful number, since it uses less digits than its factorization.

3534216406623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18699557723 (or 18699557717 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 45.

The spelling of 3534216406623 in words is "three trillion, five hundred thirty-four billion, two hundred sixteen million, four hundred six thousand, six hundred twenty-three".