1494696197 has 2 divisors, whose sum is σ = 1494696198. Its totient is φ = 1494696196.

The previous prime is 1494696187. The next prime is 1494696223. The reversal of 1494696197 is 7916964941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1208883361 + 285812836 = 34769^2 + 16906^2 .

It is a cyclic number.

It is not a de Polignac number, because 1494696197 - 2⁸ = 1494695941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1494696127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747348098 + 747348099.

It is an arithmetic number, because the mean of its divisors is an integer number (747348099).

Almost surely, 2^1494696197 is an apocalyptic number.

It is an amenable number.

1494696197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494696197 is an equidigital number, since it uses as much as digits as its factorization.

1494696197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 56.

The square root of 1494696197 is about 38661.3010257027. The cubic root of 1494696197 is about 1143.3634628327.

The spelling of 1494696197 in words is "one billion, four hundred ninety-four million, six hundred ninety-six thousand, one hundred ninety-seven".