5466621257 has 2 divisors, whose sum is σ = 5466621258. Its totient is φ = 5466621256.

The previous prime is 5466621239. The next prime is 5466621283. The reversal of 5466621257 is 7521266645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3955277881 + 1511343376 = 62891^2 + 38876^2 .

It is a cyclic number.

It is not a de Polignac number, because 5466621257 - 2¹⁸ = 5466359113 is a prime.

It is not a weakly prime, because it can be changed into another prime (5466626257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2733310628 + 2733310629.

It is an arithmetic number, because the mean of its divisors is an integer number (2733310629).

Almost surely, 2^5466621257 is an apocalyptic number.

It is an amenable number.

5466621257 is a deficient number, since it is larger than the sum of its proper divisors (1).

5466621257 is an equidigital number, since it uses as much as digits as its factorization.

5466621257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 44.

The square root of 5466621257 is about 73936.6029582101. The cubic root of 5466621257 is about 1761.5960531528.

The spelling of 5466621257 in words is "five billion, four hundred sixty-six million, six hundred twenty-one thousand, two hundred fifty-seven".