544251663602 has 16 divisors (see below), whose sum is σ = 825174222912. Its totient is φ = 269199171120.

The previous prime is 544251663517. The next prime is 544251663623. The reversal of 544251663602 is 206366152445.

It is a happy number.

It is a super-2 number, since 2×544251663602² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199849 + ... + 1590012.

It is an arithmetic number, because the mean of its divisors is an integer number (51573388932).

Almost surely, 2^544251663602 is an apocalyptic number.

544251663602 is a deficient number, since it is larger than the sum of its proper divisors (280922559310).

544251663602 is a wasteful number, since it uses less digits than its factorization.

544251663602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790913.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 544251663602 in words is "five hundred forty-four billion, two hundred fifty-one million, six hundred sixty-three thousand, six hundred two".