189469060457 has 2 divisors, whose sum is σ = 189469060458. Its totient is φ = 189469060456.

The previous prime is 189469060453. The next prime is 189469060471. The reversal of 189469060457 is 754060964981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153588745216 + 35880315241 = 391904^2 + 189421^2 .

It is a cyclic number.

It is not a de Polignac number, because 189469060457 - 2² = 189469060453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 189469060396 and 189469060405.

It is not a weakly prime, because it can be changed into another prime (189469060453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94734530228 + 94734530229.

It is an arithmetic number, because the mean of its divisors is an integer number (94734530229).

Almost surely, 2^189469060457 is an apocalyptic number.

It is an amenable number.

189469060457 is a deficient number, since it is larger than the sum of its proper divisors (1).

189469060457 is an equidigital number, since it uses as much as digits as its factorization.

189469060457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 189469060457 in words is "one hundred eighty-nine billion, four hundred sixty-nine million, sixty thousand, four hundred fifty-seven".