545202212621 has 8 divisors (see below), whose sum is σ = 620625443904. Its totient is φ = 474088880320.

The previous prime is 545202212603. The next prime is 545202212699. The reversal of 545202212621 is 126212202545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 545202212621 - 2³⁴ = 528022343437 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 (545202212221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077474476 + ... + 1077474981.

It is an arithmetic number, because the mean of its divisors is an integer number (77578180488).

Almost surely, 2^545202212621 is an apocalyptic number.

It is an amenable number.

545202212621 is a deficient number, since it is larger than the sum of its proper divisors (75423231283).

545202212621 is a wasteful number, since it uses less digits than its factorization.

545202212621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154949491.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 545202212621 in words is "five hundred forty-five billion, two hundred two million, two hundred twelve thousand, six hundred twenty-one".