549694496946 has 64 divisors (see below), whose sum is σ = 1297687765248. Its totient is φ = 151981360128.

The previous prime is 549694496927. The next prime is 549694497083. The reversal of 549694496946 is 649694496945.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1528891 + ... + 1853886.

It is an arithmetic number, because the mean of its divisors is an integer number (20276371332).

Almost surely, 2^549694496946 is an apocalyptic number.

549694496946 is an abundant number, since it is smaller than the sum of its proper divisors (747993268302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549694496946 is a wasteful number, since it uses less digits than its factorization.

549694496946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382915.

The product of its digits is 1813985280, while the sum is 75.

Subtracting 549694496946 from its reverse (649694496945), we obtain a palindrome (99999999999).

The spelling of 549694496946 in words is "five hundred forty-nine billion, six hundred ninety-four million, four hundred ninety-six thousand, nine hundred forty-six".