4902209017421 has 16 divisors (see below), whose sum is σ = 4957568884800. Its totient is φ = 4846950044160.

The previous prime is 4902209017357. The next prime is 4902209017463. The reversal of 4902209017421 is 1247109022094.

It is a cyclic number.

It is not a de Polignac number, because 4902209017421 - 2⁶ = 4902209017357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4902209017471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 703225466 + ... + 703232436.

It is an arithmetic number, because the mean of its divisors is an integer number (309848055300).

Almost surely, 2^{4902209017421} is an apocalyptic number.

It is an amenable number.

4902209017421 is a deficient number, since it is larger than the sum of its proper divisors (55359867379).

4902209017421 is a wasteful number, since it uses less digits than its factorization.

4902209017421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13084.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 4902209017421 in words is "four trillion, nine hundred two billion, two hundred nine million, seventeen thousand, four hundred twenty-one".