610215244351361 has 4 divisors (see below), whose sum is σ = 665689357474224. Its totient is φ = 554741131228500.

The previous prime is 610215244351343. The next prime is 610215244351369. The reversal of 610215244351361 is 163153442512016.

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 610215244351361 - 2¹⁰ = 610215244350337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610215244351369) 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, 27737056561415 + ... + 27737056561436.

It is an arithmetic number, because the mean of its divisors is an integer number (166422339368556).

Almost surely, 2^{610215244351361} is an apocalyptic number.

It is an amenable number.

610215244351361 is a deficient number, since it is larger than the sum of its proper divisors (55474113122863).

610215244351361 is a wasteful number, since it uses less digits than its factorization.

610215244351361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55474113122862.

The product of its (nonzero) digits is 518400, while the sum is 44.

Adding to 610215244351361 its reverse (163153442512016), we get a palindrome (773368686863377).

The spelling of 610215244351361 in words is "six hundred ten trillion, two hundred fifteen billion, two hundred forty-four million, three hundred fifty-one thousand, three hundred sixty-one".