546215420631 has 4 divisors (see below), whose sum is σ = 728287227512. Its totient is φ = 364143613752.

The previous prime is 546215420629. The next prime is 546215420633. The reversal of 546215420631 is 136024512645.

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

It is an interprime number because it is at equal distance from previous prime (546215420629) and next prime (546215420633).

It is not a de Polignac number, because 546215420631 - 2¹ = 546215420629 is a prime.

It is a super-2 number, since 2×546215420631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 546215420631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546215420633) 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, 91035903436 + ... + 91035903441.

It is an arithmetic number, because the mean of its divisors is an integer number (182071806878).

Almost surely, 2^546215420631 is an apocalyptic number.

546215420631 is a deficient number, since it is larger than the sum of its proper divisors (182071806881).

546215420631 is a wasteful number, since it uses less digits than its factorization.

546215420631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182071806880.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 546215420631 in words is "five hundred forty-six billion, two hundred fifteen million, four hundred twenty thousand, six hundred thirty-one".