902143531441 has 2 divisors, whose sum is σ = 902143531442. Its totient is φ = 902143531440.

The previous prime is 902143531439. The next prime is 902143531483. The reversal of 902143531441 is 144135341209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 809973000225 + 92170531216 = 899985^2 + 303596^2 .

It is a cyclic number.

It is not a de Polignac number, because 902143531441 - 2¹ = 902143531439 is a prime.

Together with 902143531439, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 902143531441.

It is not a weakly prime, because it can be changed into another prime (902143511441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451071765720 + 451071765721.

It is an arithmetic number, because the mean of its divisors is an integer number (451071765721).

Almost surely, 2^902143531441 is an apocalyptic number.

It is an amenable number.

902143531441 is a deficient number, since it is larger than the sum of its proper divisors (1).

902143531441 is an equidigital number, since it uses as much as digits as its factorization.

902143531441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 902143531441 in words is "nine hundred two billion, one hundred forty-three million, five hundred thirty-one thousand, four hundred forty-one".