3420424431145 has 8 divisors (see below), whose sum is σ = 4115942493120. Its totient is φ = 2728717427760.

The previous prime is 3420424431097. The next prime is 3420424431157. The reversal of 3420424431145 is 5411344240243.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3420424431145 is a prime.

It is a super-2 number, since 2×3420424431145² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 952762671 + ... + 952766260.

It is an arithmetic number, because the mean of its divisors is an integer number (514492811640).

Almost surely, 2^{3420424431145} is an apocalyptic number.

It is an amenable number.

3420424431145 is a deficient number, since it is larger than the sum of its proper divisors (695518061975).

3420424431145 is a wasteful number, since it uses less digits than its factorization.

3420424431145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905529295.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 3420424431145 its reverse (5411344240243), we get a palindrome (8831768671388).

The spelling of 3420424431145 in words is "three trillion, four hundred twenty billion, four hundred twenty-four million, four hundred thirty-one thousand, one hundred forty-five".