1802119489631 has 2 divisors, whose sum is σ = 1802119489632. Its totient is φ = 1802119489630.

The previous prime is 1802119489559. The next prime is 1802119489733. The reversal of 1802119489631 is 1369849112081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1802119489631 - 2²⁶ = 1802052380767 is a prime.

It is a super-2 number, since 2×1802119489631² (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 (1802119485631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 901059744815 + 901059744816.

It is an arithmetic number, because the mean of its divisors is an integer number (901059744816).

Almost surely, 2^{1802119489631} is an apocalyptic number.

1802119489631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1802119489631 is an equidigital number, since it uses as much as digits as its factorization.

1802119489631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 53.

The spelling of 1802119489631 in words is "one trillion, eight hundred two billion, one hundred nineteen million, four hundred eighty-nine thousand, six hundred thirty-one".