402142246411 has 2 divisors, whose sum is σ = 402142246412. Its totient is φ = 402142246410.

The previous prime is 402142246361. The next prime is 402142246421. The reversal of 402142246411 is 114642241204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402142246411 - 2¹⁵ = 402142213643 is a prime.

It is not a weakly prime, because it can be changed into another prime (402142246421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201071123205 + 201071123206.

It is an arithmetic number, because the mean of its divisors is an integer number (201071123206).

Almost surely, 2^402142246411 is an apocalyptic number.

402142246411 is a deficient number, since it is larger than the sum of its proper divisors (1).

402142246411 is an equidigital number, since it uses as much as digits as its factorization.

402142246411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 402142246411 its reverse (114642241204), we get a palindrome (516784487615).

The spelling of 402142246411 in words is "four hundred two billion, one hundred forty-two million, two hundred forty-six thousand, four hundred eleven".