545614631250621 has 4 divisors (see below), whose sum is σ = 727486175000832. Its totient is φ = 363743087500412.

The previous prime is 545614631250539. The next prime is 545614631250653. The reversal of 545614631250621 is 126052136416545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 545614631250621 - 2¹⁷ = 545614631119549 is a prime.

It is a super-2 number, since 2×545614631250621² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545614631250121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90935771875101 + ... + 90935771875106.

It is an arithmetic number, because the mean of its divisors is an integer number (181871543750208).

Almost surely, 2^{545614631250621} is an apocalyptic number.

It is an amenable number.

545614631250621 is a deficient number, since it is larger than the sum of its proper divisors (181871543750211).

545614631250621 is a wasteful number, since it uses less digits than its factorization.

545614631250621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181871543750210.

The product of its (nonzero) digits is 5184000, while the sum is 51.

The spelling of 545614631250621 in words is "five hundred forty-five trillion, six hundred fourteen billion, six hundred thirty-one million, two hundred fifty thousand, six hundred twenty-one".