402363203651 has 2 divisors, whose sum is σ = 402363203652. Its totient is φ = 402363203650.

The previous prime is 402363203639. The next prime is 402363203687. The reversal of 402363203651 is 156302363204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402363203651 - 2¹⁰ = 402363202627 is a prime.

It is a super-2 number, since 2×402363203651² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (402363203051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201181601825 + 201181601826.

It is an arithmetic number, because the mean of its divisors is an integer number (201181601826).

Almost surely, 2^402363203651 is an apocalyptic number.

402363203651 is a deficient number, since it is larger than the sum of its proper divisors (1).

402363203651 is an equidigital number, since it uses as much as digits as its factorization.

402363203651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 402363203651 its reverse (156302363204), we get a palindrome (558665566855).

The spelling of 402363203651 in words is "four hundred two billion, three hundred sixty-three million, two hundred three thousand, six hundred fifty-one".