3610506421 has 2 divisors, whose sum is σ = 3610506422. Its totient is φ = 3610506420.

The previous prime is 3610506379. The next prime is 3610506451. The reversal of 3610506421 is 1246050163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2416803921 + 1193702500 = 49161^2 + 34550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3610506421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3610506421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3610506451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1805253210 + 1805253211.

It is an arithmetic number, because the mean of its divisors is an integer number (1805253211).

Almost surely, 2^3610506421 is an apocalyptic number.

It is an amenable number.

3610506421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3610506421 is an equidigital number, since it uses as much as digits as its factorization.

3610506421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 3610506421 is about 60087.4897212390. The cubic root of 3610506421 is about 1534.1083740232.

Adding to 3610506421 its reverse (1246050163), we get a palindrome (4856556584).

The spelling of 3610506421 in words is "three billion, six hundred ten million, five hundred six thousand, four hundred twenty-one".