4921607164219 has 4 divisors (see below), whose sum is σ = 4921923865120. Its totient is φ = 4921290463320.

The previous prime is 4921607164157. The next prime is 4921607164223. The reversal of 4921607164219 is 9124617061294.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4921607164219 - 2³¹ = 4919459680571 is a prime.

It is a super-2 number, since 2×4921607164219² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4921601164219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158327139 + ... + 158358220.

It is an arithmetic number, because the mean of its divisors is an integer number (1230480966280).

Almost surely, 2^{4921607164219} is an apocalyptic number.

4921607164219 is a deficient number, since it is larger than the sum of its proper divisors (316700901).

4921607164219 is a wasteful number, since it uses less digits than its factorization.

4921607164219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316700900.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 4921607164219 in words is "four trillion, nine hundred twenty-one billion, six hundred seven million, one hundred sixty-four thousand, two hundred nineteen".