1650055156537 has 2 divisors, whose sum is σ = 1650055156538. Its totient is φ = 1650055156536.

The previous prime is 1650055156499. The next prime is 1650055156549. The reversal of 1650055156537 is 7356515500561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 974542121721 + 675513034816 = 987189^2 + 821896^2 .

It is a cyclic number.

It is not a de Polignac number, because 1650055156537 - 2³¹ = 1647907672889 is a prime.

It is a super-2 number, since 2×1650055156537² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1650055156577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825027578268 + 825027578269.

It is an arithmetic number, because the mean of its divisors is an integer number (825027578269).

Almost surely, 2^{1650055156537} is an apocalyptic number.

It is an amenable number.

1650055156537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1650055156537 is an equidigital number, since it uses as much as digits as its factorization.

1650055156537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2362500, while the sum is 49.

The spelling of 1650055156537 in words is "one trillion, six hundred fifty billion, fifty-five million, one hundred fifty-six thousand, five hundred thirty-seven".