546650261021 has 4 divisors (see below), whose sum is σ = 554349560544. Its totient is φ = 538950961500.

The previous prime is 546650260987. The next prime is 546650261039. The reversal of 546650261021 is 120162056645.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120162056645 = 5 ⋅24032411329.

It is a cyclic number.

It is not a de Polignac number, because 546650261021 - 2⁶ = 546650260957 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 (546650261081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3849649655 + ... + 3849649796.

It is an arithmetic number, because the mean of its divisors is an integer number (138587390136).

Almost surely, 2^546650261021 is an apocalyptic number.

It is an amenable number.

546650261021 is a deficient number, since it is larger than the sum of its proper divisors (7699299523).

546650261021 is an equidigital number, since it uses as much as digits as its factorization.

546650261021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7699299522.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 546650261021 in words is "five hundred forty-six billion, six hundred fifty million, two hundred sixty-one thousand, twenty-one".