3164424615421 has 4 divisors (see below), whose sum is σ = 3241605703644. Its totient is φ = 3087243527200.

The previous prime is 3164424615371. The next prime is 3164424615427. The reversal of 3164424615421 is 1245164244613.

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 103306959396 + 3061117656025 = 321414^2 + 1749605^2 .

It is a cyclic number.

It is not a de Polignac number, because 3164424615421 - 2¹³ = 3164424607229 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 (3164424615427) 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, 38590544050 + ... + 38590544131.

It is an arithmetic number, because the mean of its divisors is an integer number (810401425911).

Almost surely, 2^{3164424615421} is an apocalyptic number.

It is an amenable number.

3164424615421 is a deficient number, since it is larger than the sum of its proper divisors (77181088223).

3164424615421 is an equidigital number, since it uses as much as digits as its factorization.

3164424615421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77181088222.

The product of its digits is 552960, while the sum is 43.

The spelling of 3164424615421 in words is "three trillion, one hundred sixty-four billion, four hundred twenty-four million, six hundred fifteen thousand, four hundred twenty-one".