27237483961 has 2 divisors, whose sum is σ = 27237483962. Its totient is φ = 27237483960.

The previous prime is 27237483947. The next prime is 27237483967. The reversal of 27237483961 is 16938473272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26746639936 + 490844025 = 163544^2 + 22155^2 .

It is a cyclic number.

It is not a de Polignac number, because 27237483961 - 2¹⁵ = 27237451193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27237483899 and 27237483908.

It is not a weakly prime, because it can be changed into another prime (27237483967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13618741980 + 13618741981.

It is an arithmetic number, because the mean of its divisors is an integer number (13618741981).

Almost surely, 2^27237483961 is an apocalyptic number.

It is an amenable number.

27237483961 is a deficient number, since it is larger than the sum of its proper divisors (1).

27237483961 is an equidigital number, since it uses as much as digits as its factorization.

27237483961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 52.

The spelling of 27237483961 in words is "twenty-seven billion, two hundred thirty-seven million, four hundred eighty-three thousand, nine hundred sixty-one".