3520626945 has 64 divisors (see below), whose sum is σ = 6560040960. Its totient is φ = 1594252800.

The previous prime is 3520626847. The next prime is 3520626947. The reversal of 3520626945 is 5496260253.

It is a happy number.

It is not a de Polignac number, because 3520626945 - 2⁹ = 3520626433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3520626897 and 3520626906.

It is not an unprimeable number, because it can be changed into a prime (3520626947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 214677 + ... + 230493.

It is an arithmetic number, because the mean of its divisors is an integer number (102500640).

Almost surely, 2^3520626945 is an apocalyptic number.

It is an amenable number.

3520626945 is a deficient number, since it is larger than the sum of its proper divisors (3039414015).

3520626945 is a wasteful number, since it uses less digits than its factorization.

3520626945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15926.

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 3520626945 is about 59334.8712394322. The cubic root of 3520626945 is about 1521.2712911414.

The spelling of 3520626945 in words is "three billion, five hundred twenty million, six hundred twenty-six thousand, nine hundred forty-five".