402620343413 has 4 divisors (see below), whose sum is σ = 407471191008. Its totient is φ = 397769495820.

The previous prime is 402620343401. The next prime is 402620343427. The reversal of 402620343413 is 314343026204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402620343413 - 2¹⁴ = 402620327029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402620343413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402620343493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2425423673 + ... + 2425423838.

It is an arithmetic number, because the mean of its divisors is an integer number (101867797752).

Almost surely, 2^402620343413 is an apocalyptic number.

It is an amenable number.

402620343413 is a deficient number, since it is larger than the sum of its proper divisors (4850847595).

402620343413 is an equidigital number, since it uses as much as digits as its factorization.

402620343413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850847594.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 402620343413 its reverse (314343026204), we get a palindrome (716963369617).

The spelling of 402620343413 in words is "four hundred two billion, six hundred twenty million, three hundred forty-three thousand, four hundred thirteen".