3213534478 has 64 divisors (see below), whose sum is σ = 6254143488. Its totient is φ = 1202123520.

The previous prime is 3213534461. The next prime is 3213534517. The reversal of 3213534478 is 8744353123.

It is a self number, because there is not a number n which added to its sum of digits gives 3213534478.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379426 + ... + 387802.

It is an arithmetic number, because the mean of its divisors is an integer number (97720992).

Almost surely, 2^3213534478 is an apocalyptic number.

3213534478 is a deficient number, since it is larger than the sum of its proper divisors (3040609010).

3213534478 is a wasteful number, since it uses less digits than its factorization.

3213534478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8497.

The product of its digits is 241920, while the sum is 40.

The square root of 3213534478 is about 56688.0452829342. The cubic root of 3213534478 is about 1475.6872374251.

The spelling of 3213534478 in words is "three billion, two hundred thirteen million, five hundred thirty-four thousand, four hundred seventy-eight".