1900046331563 has 2 divisors, whose sum is σ = 1900046331564. Its totient is φ = 1900046331562.

The previous prime is 1900046331559. The next prime is 1900046331611. The reversal of 1900046331563 is 3651336400091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1900046331563 - 2² = 1900046331559 is a prime.

It is a super-2 number, since 2×1900046331563² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1900046331563.

It is not a weakly prime, because it can be changed into another prime (1900046331763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 950023165781 + 950023165782.

It is an arithmetic number, because the mean of its divisors is an integer number (950023165782).

Almost surely, 2^{1900046331563} is an apocalyptic number.

1900046331563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1900046331563 is an equidigital number, since it uses as much as digits as its factorization.

1900046331563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 41.

The spelling of 1900046331563 in words is "one trillion, nine hundred billion, forty-six million, three hundred thirty-one thousand, five hundred sixty-three".