1020138362093 has 2 divisors, whose sum is σ = 1020138362094. Its totient is φ = 1020138362092.

The previous prime is 1020138362083. The next prime is 1020138362137. The reversal of 1020138362093 is 3902638310201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1019942446084 + 195916009 = 1009922^2 + 13997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020138362093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020138362083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510069181046 + 510069181047.

It is an arithmetic number, because the mean of its divisors is an integer number (510069181047).

Almost surely, 2^{1020138362093} is an apocalyptic number.

It is an amenable number.

1020138362093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020138362093 is an equidigital number, since it uses as much as digits as its factorization.

1020138362093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 1020138362093 in words is "one trillion, twenty billion, one hundred thirty-eight million, three hundred sixty-two thousand, ninety-three".