4905215664243 has 16 divisors (see below), whose sum is σ = 6601578869376. Its totient is φ = 3239499665600.

The previous prime is 4905215664229. The next prime is 4905215664277. The reversal of 4905215664243 is 3424665125094.

It is a cyclic number.

It is not a de Polignac number, because 4905215664243 - 2¹⁴ = 4905215647859 is a prime.

It is a super-2 number, since 2×4905215664243² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4905215664203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14161855 + ... + 14504087.

It is an arithmetic number, because the mean of its divisors is an integer number (412598679336).

Almost surely, 2^{4905215664243} is an apocalyptic number.

4905215664243 is a deficient number, since it is larger than the sum of its proper divisors (1696363205133).

4905215664243 is a wasteful number, since it uses less digits than its factorization.

4905215664243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386994.

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 4905215664243 in words is "four trillion, nine hundred five billion, two hundred fifteen million, six hundred sixty-four thousand, two hundred forty-three".