273772422137 has 2 divisors, whose sum is σ = 273772422138. Its totient is φ = 273772422136.

The previous prime is 273772422127. The next prime is 273772422199. The reversal of 273772422137 is 731224277372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149178247696 + 124594174441 = 386236^2 + 352979^2 .

It is a cyclic number.

It is not a de Polignac number, because 273772422137 - 2¹⁶ = 273772356601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 273772422091 and 273772422100.

It is not a weakly prime, because it can be changed into another prime (273772422127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136886211068 + 136886211069.

It is an arithmetic number, because the mean of its divisors is an integer number (136886211069).

Almost surely, 2^273772422137 is an apocalyptic number.

It is an amenable number.

273772422137 is a deficient number, since it is larger than the sum of its proper divisors (1).

273772422137 is an equidigital number, since it uses as much as digits as its factorization.

273772422137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382976, while the sum is 47.

The spelling of 273772422137 in words is "two hundred seventy-three billion, seven hundred seventy-two million, four hundred twenty-two thousand, one hundred thirty-seven".