2421311146 has 4 divisors (see below), whose sum is σ = 3631966722. Its totient is φ = 1210655572.

The previous prime is 2421311111. The next prime is 2421311147. The reversal of 2421311146 is 6411131242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1669948225 + 751362921 = 40865^2 + 27411^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2421311146.

It is not an unprimeable number, because it can be changed into a prime (2421311147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605327785 + ... + 605327788.

Almost surely, 2^2421311146 is an apocalyptic number.

2421311146 is a deficient number, since it is larger than the sum of its proper divisors (1210655576).

2421311146 is a wasteful number, since it uses less digits than its factorization.

2421311146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210655575.

The product of its digits is 1152, while the sum is 25.

The square root of 2421311146 is about 49206.8201167277. The cubic root of 2421311146 is about 1342.8171122808.

Adding to 2421311146 its reverse (6411131242), we get a palindrome (8832442388).

The spelling of 2421311146 in words is "two billion, four hundred twenty-one million, three hundred eleven thousand, one hundred forty-six".