1100742493 has 2 divisors, whose sum is σ = 1100742494. Its totient is φ = 1100742492.

The previous prime is 1100742443. The next prime is 1100742521. The reversal of 1100742493 is 3942470011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 586269369 + 514473124 = 24213^2 + 22682^2 .

It is an emirp because it is prime and its reverse (3942470011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100742493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100742403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550371246 + 550371247.

It is an arithmetic number, because the mean of its divisors is an integer number (550371247).

Almost surely, 2^1100742493 is an apocalyptic number.

It is an amenable number.

1100742493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100742493 is an equidigital number, since it uses as much as digits as its factorization.

1100742493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1100742493 is about 33177.4395184439. The cubic root of 1100742493 is about 1032.5123240541.

The spelling of 1100742493 in words is "one billion, one hundred million, seven hundred forty-two thousand, four hundred ninety-three".