1140492473 has 2 divisors, whose sum is σ = 1140492474. Its totient is φ = 1140492472.

The previous prime is 1140492443. The next prime is 1140492497. The reversal of 1140492473 is 3742940411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1070402089 + 70090384 = 32717^2 + 8372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140492473 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140492433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570246236 + 570246237.

It is an arithmetic number, because the mean of its divisors is an integer number (570246237).

Almost surely, 2^1140492473 is an apocalyptic number.

It is an amenable number.

1140492473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140492473 is an equidigital number, since it uses as much as digits as its factorization.

1140492473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 1140492473 is about 33771.1781405387. The cubic root of 1140492473 is about 1044.7943317537.

The spelling of 1140492473 in words is "one billion, one hundred forty million, four hundred ninety-two thousand, four hundred seventy-three".