6342510236261 has 4 divisors (see below), whose sum is σ = 6358486332972. Its totient is φ = 6326534139552.

The previous prime is 6342510236243. The next prime is 6342510236263. The reversal of 6342510236261 is 1626320152436.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1662794776036 + 4679715460225 = 1289494^2 + 2163265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6342510236261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6342510236263) 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, 7988047760 + ... + 7988048553.

It is an arithmetic number, because the mean of its divisors is an integer number (1589621583243).

Almost surely, 2^{6342510236261} is an apocalyptic number.

It is an amenable number.

6342510236261 is a deficient number, since it is larger than the sum of its proper divisors (15976096711).

6342510236261 is a wasteful number, since it uses less digits than its factorization.

6342510236261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15976096710.

The product of its (nonzero) digits is 311040, while the sum is 41.

Adding to 6342510236261 its reverse (1626320152436), we get a palindrome (7968830388697).

The spelling of 6342510236261 in words is "six trillion, three hundred forty-two billion, five hundred ten million, two hundred thirty-six thousand, two hundred sixty-one".