1057031030749 has 2 divisors, whose sum is σ = 1057031030750. Its totient is φ = 1057031030748.

The previous prime is 1057031030729. The next prime is 1057031030779. The reversal of 1057031030749 is 9470301307501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1022747916100 + 34283114649 = 1011310^2 + 185157^2 .

It is an emirp because it is prime and its reverse (9470301307501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1057031030749 - 2³¹ = 1054883547101 is a prime.

It is a super-2 number, since 2×1057031030749² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1057031030729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528515515374 + 528515515375.

It is an arithmetic number, because the mean of its divisors is an integer number (528515515375).

Almost surely, 2^{1057031030749} is an apocalyptic number.

It is an amenable number.

1057031030749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057031030749 is an equidigital number, since it uses as much as digits as its factorization.

1057031030749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 1057031030749 in words is "one trillion, fifty-seven billion, thirty-one million, thirty thousand, seven hundred forty-nine".