544021326472937 has 2 divisors, whose sum is σ = 544021326472938. Its totient is φ = 544021326472936.

The previous prime is 544021326472913. The next prime is 544021326472979. The reversal of 544021326472937 is 739274623120445.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 541168146046441 + 2853180426496 = 23263021^2 + 1689136^2 .

It is a cyclic number.

It is not a de Polignac number, because 544021326472937 - 2¹⁰ = 544021326471913 is a prime.

It is not a weakly prime, because it can be changed into another prime (544021326474937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272010663236468 + 272010663236469.

It is an arithmetic number, because the mean of its divisors is an integer number (272010663236469).

Almost surely, 2^{544021326472937} is an apocalyptic number.

It is an amenable number.

544021326472937 is a deficient number, since it is larger than the sum of its proper divisors (1).

544021326472937 is an equidigital number, since it uses as much as digits as its factorization.

544021326472937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60963840, while the sum is 59.

The spelling of 544021326472937 in words is "five hundred forty-four trillion, twenty-one billion, three hundred twenty-six million, four hundred seventy-two thousand, nine hundred thirty-seven".