1492094789 has 2 divisors, whose sum is σ = 1492094790. Its totient is φ = 1492094788.

The previous prime is 1492094767. The next prime is 1492094803. The reversal of 1492094789 is 9874902941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 775622500 + 716472289 = 27850^2 + 26767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1492094789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1492094789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1492096789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746047394 + 746047395.

It is an arithmetic number, because the mean of its divisors is an integer number (746047395).

Almost surely, 2^1492094789 is an apocalyptic number.

It is an amenable number.

1492094789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492094789 is an equidigital number, since it uses as much as digits as its factorization.

1492094789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 1492094789 is about 38627.6428092629. The cubic root of 1492094789 is about 1142.6997645098.

The spelling of 1492094789 in words is "one billion, four hundred ninety-two million, ninety-four thousand, seven hundred eighty-nine".