27953897514701 has 2 divisors, whose sum is σ = 27953897514702. Its totient is φ = 27953897514700.

The previous prime is 27953897514583. The next prime is 27953897514707. The reversal of 27953897514701 is 10741579835972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27932799952201 + 21097562500 = 5285149^2 + 145250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27953897514701 is a prime.

It is a super-2 number, since 2×27953897514701² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27953897514707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13976948757350 + 13976948757351.

It is an arithmetic number, because the mean of its divisors is an integer number (13976948757351).

Almost surely, 2^{27953897514701} is an apocalyptic number.

It is an amenable number.

27953897514701 is a deficient number, since it is larger than the sum of its proper divisors (1).

27953897514701 is an equidigital number, since it uses as much as digits as its factorization.

27953897514701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 133358400, while the sum is 68.

The spelling of 27953897514701 in words is "twenty-seven trillion, nine hundred fifty-three billion, eight hundred ninety-seven million, five hundred fourteen thousand, seven hundred one".