544620656541 has 16 divisors (see below), whose sum is σ = 782530280000. Its totient is φ = 334932226560.

The previous prime is 544620656507. The next prime is 544620656551. The reversal of 544620656541 is 145656026445.

It is a happy number.

It is not a de Polignac number, because 544620656541 - 2⁷ = 544620656413 is a prime.

It is a super-2 number, since 2×544620656541² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544620656551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4500916 + ... + 4620333.

It is an arithmetic number, because the mean of its divisors is an integer number (48908142500).

Almost surely, 2^544620656541 is an apocalyptic number.

It is an amenable number.

544620656541 is a deficient number, since it is larger than the sum of its proper divisors (237909623459).

544620656541 is a wasteful number, since it uses less digits than its factorization.

544620656541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9122796.

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 544620656541 in words is "five hundred forty-four billion, six hundred twenty million, six hundred fifty-six thousand, five hundred forty-one".