544156542997 has 2 divisors, whose sum is σ = 544156542998. Its totient is φ = 544156542996.

The previous prime is 544156542983. The next prime is 544156543009. The reversal of 544156542997 is 799245651445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329712530436 + 214444012561 = 574206^2 + 463081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-544156542997 is a prime.

It is a super-2 number, since 2×544156542997² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544156542977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272078271498 + 272078271499.

It is an arithmetic number, because the mean of its divisors is an integer number (272078271499).

Almost surely, 2^544156542997 is an apocalyptic number.

It is an amenable number.

544156542997 is a deficient number, since it is larger than the sum of its proper divisors (1).

544156542997 is an equidigital number, since it uses as much as digits as its factorization.

544156542997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432000, while the sum is 61.

The spelling of 544156542997 in words is "five hundred forty-four billion, one hundred fifty-six million, five hundred forty-two thousand, nine hundred ninety-seven".