1650237938093 has 2 divisors, whose sum is σ = 1650237938094. Its totient is φ = 1650237938092.

The previous prime is 1650237938021. The next prime is 1650237938189. The reversal of 1650237938093 is 3908397320561.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1484493686404 + 165744251689 = 1218398^2 + 407117^2 .

It is a cyclic number.

It is not a de Polignac number, because 1650237938093 - 2⁸ = 1650237937837 is a prime.

It is a super-2 number, since 2×1650237938093² (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 (1650237938003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825118969046 + 825118969047.

It is an arithmetic number, because the mean of its divisors is an integer number (825118969047).

Almost surely, 2^{1650237938093} is an apocalyptic number.

It is an amenable number.

1650237938093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1650237938093 is an equidigital number, since it uses as much as digits as its factorization.

1650237938093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 56.

The spelling of 1650237938093 in words is "one trillion, six hundred fifty billion, two hundred thirty-seven million, nine hundred thirty-eight thousand, ninety-three".