1138571302849 has 2 divisors, whose sum is σ = 1138571302850. Its totient is φ = 1138571302848.

The previous prime is 1138571302837. The next prime is 1138571302853. The reversal of 1138571302849 is 9482031758311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1128980626225 + 9590676624 = 1062535^2 + 97932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1138571302849 is a prime.

It is a super-2 number, since 2×1138571302849² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1138571302796 and 1138571302805.

It is not a weakly prime, because it can be changed into another prime (1138571302879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569285651424 + 569285651425.

It is an arithmetic number, because the mean of its divisors is an integer number (569285651425).

Almost surely, 2^{1138571302849} is an apocalyptic number.

It is an amenable number.

1138571302849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138571302849 is an equidigital number, since it uses as much as digits as its factorization.

1138571302849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 1138571302849 in words is "one trillion, one hundred thirty-eight billion, five hundred seventy-one million, three hundred two thousand, eight hundred forty-nine".