53430000646 has 8 divisors (see below), whose sum is σ = 87430910184. Its totient is φ = 24286363920.

The previous prime is 53430000623. The next prime is 53430000671. The reversal of 53430000646 is 64600003435.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214318175 + ... + 1214318218.

It is an arithmetic number, because the mean of its divisors is an integer number (10928863773).

Almost surely, 2^53430000646 is an apocalyptic number.

53430000646 is the 123555-th centered heptagonal number.

53430000646 is a deficient number, since it is larger than the sum of its proper divisors (34000909538).

53430000646 is a wasteful number, since it uses less digits than its factorization.

53430000646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428636406.

The product of its (nonzero) digits is 25920, while the sum is 31.

The spelling of 53430000646 in words is "fifty-three billion, four hundred thirty million, six hundred forty-six", and thus it is an aban number.