402151545613 has 2 divisors, whose sum is σ = 402151545614. Its totient is φ = 402151545612.

The previous prime is 402151545611. The next prime is 402151545617. The reversal of 402151545613 is 316545151204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 399067631524 + 3083914089 = 631718^2 + 55533^2 .

It is a cyclic number.

It is not a de Polignac number, because 402151545613 - 2¹ = 402151545611 is a prime.

Together with 402151545611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402151545611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201075772806 + 201075772807.

It is an arithmetic number, because the mean of its divisors is an integer number (201075772807).

Almost surely, 2^402151545613 is an apocalyptic number.

It is an amenable number.

402151545613 is a deficient number, since it is larger than the sum of its proper divisors (1).

402151545613 is an equidigital number, since it uses as much as digits as its factorization.

402151545613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 37.

Adding to 402151545613 its reverse (316545151204), we get a palindrome (718696696817).

The spelling of 402151545613 in words is "four hundred two billion, one hundred fifty-one million, five hundred forty-five thousand, six hundred thirteen".