2351443442 has 16 divisors (see below), whose sum is σ = 3607149240. Its totient is φ = 1149345792.

The previous prime is 2351443427. The next prime is 2351443447. The reversal of 2351443442 is 2443441532.

It can be written as a sum of positive squares in 4 ways, for example, as 2082188161 + 269255281 = 45631^2 + 16409^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2351443399 and 2351443408.

It is not an unprimeable number, because it can be changed into a prime (2351443447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54767 + ... + 87762.

Almost surely, 2^2351443442 is an apocalyptic number.

2351443442 is a deficient number, since it is larger than the sum of its proper divisors (1255705798).

2351443442 is a wasteful number, since it uses less digits than its factorization.

2351443442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142717.

The product of its digits is 46080, while the sum is 32.

The square root of 2351443442 is about 48491.6842561691. The cubic root of 2351443442 is about 1329.7750466583.

Adding to 2351443442 its reverse (2443441532), we get a palindrome (4794884974).

The spelling of 2351443442 in words is "two billion, three hundred fifty-one million, four hundred forty-three thousand, four hundred forty-two".