402132146869 has 2 divisors, whose sum is σ = 402132146870. Its totient is φ = 402132146868.

The previous prime is 402132146861. The next prime is 402132146957. The reversal of 402132146869 is 968641231204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 400707990225 + 1424156644 = 633015^2 + 37738^2 .

It is a cyclic number.

It is not a de Polignac number, because 402132146869 - 2³ = 402132146861 is a prime.

It is a super-2 number, since 2×402132146869² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402132146861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201066073434 + 201066073435.

It is an arithmetic number, because the mean of its divisors is an integer number (201066073435).

Almost surely, 2^402132146869 is an apocalyptic number.

It is an amenable number.

402132146869 is a deficient number, since it is larger than the sum of its proper divisors (1).

402132146869 is an equidigital number, since it uses as much as digits as its factorization.

402132146869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 402132146869 in words is "four hundred two billion, one hundred thirty-two million, one hundred forty-six thousand, eight hundred sixty-nine".