3140616421 has 4 divisors (see below), whose sum is σ = 3145162144. Its totient is φ = 3136070700.

The previous prime is 3140616383. The next prime is 3140616461. The reversal of 3140616421 is 1246160413.

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 3140616421 - 2⁹ = 3140615909 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 3140616421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3140616461) 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, 2271825 + ... + 2273206.

It is an arithmetic number, because the mean of its divisors is an integer number (786290536).

Almost surely, 2^3140616421 is an apocalyptic number.

It is an amenable number.

3140616421 is a deficient number, since it is larger than the sum of its proper divisors (4545723).

3140616421 is an equidigital number, since it uses as much as digits as its factorization.

3140616421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4545722.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 3140616421 is about 56041.2028868046. The cubic root of 3140616421 is about 1464.4401672280.

Adding to 3140616421 its reverse (1246160413), we get a palindrome (4386776834).

The spelling of 3140616421 in words is "three billion, one hundred forty million, six hundred sixteen thousand, four hundred twenty-one".