3420515345 has 64 divisors (see below), whose sum is σ = 4877651520. Its totient is φ = 2278391808.

The previous prime is 3420515339. The next prime is 3420515359. The reversal of 3420515345 is 5435150243.

It is a happy number.

It can be written as a sum of positive squares in 32 ways, for example, as 2291824129 + 1128691216 = 47873^2 + 33596^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420515345 - 2⁸ = 3420515089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5543477 + ... + 5544093.

It is an arithmetic number, because the mean of its divisors is an integer number (76213305).

Almost surely, 2^3420515345 is an apocalyptic number.

It is an amenable number.

3420515345 is a deficient number, since it is larger than the sum of its proper divisors (1457136175).

3420515345 is a wasteful number, since it uses less digits than its factorization.

3420515345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 3420515345 is about 58485.1720096641. The cubic root of 3420515345 is about 1506.7129269989.

Adding to 3420515345 its reverse (5435150243), we get a palindrome (8855665588).

The spelling of 3420515345 in words is "three billion, four hundred twenty million, five hundred fifteen thousand, three hundred forty-five".