544213461157 has 2 divisors, whose sum is σ = 544213461158. Its totient is φ = 544213461156.

The previous prime is 544213461107. The next prime is 544213461263. The reversal of 544213461157 is 751164312445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 475215830881 + 68997630276 = 689359^2 + 262674^2 .

It is a cyclic number.

It is not a de Polignac number, because 544213461157 - 2¹⁵ = 544213428389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544213461107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272106730578 + 272106730579.

It is an arithmetic number, because the mean of its divisors is an integer number (272106730579).

Almost surely, 2^544213461157 is an apocalyptic number.

It is an amenable number.

544213461157 is a deficient number, since it is larger than the sum of its proper divisors (1).

544213461157 is an equidigital number, since it uses as much as digits as its factorization.

544213461157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 43.

The spelling of 544213461157 in words is "five hundred forty-four billion, two hundred thirteen million, four hundred sixty-one thousand, one hundred fifty-seven".