2143251004 has 12 divisors (see below), whose sum is σ = 3754923984. Its totient is φ = 1070415584.

The previous prime is 2143250971. The next prime is 2143251017. The reversal of 2143251004 is 4001523412.

It is a super-2 number, since 2×2143251004² = 9187049732294016032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298489 + ... + 305584.

It is an arithmetic number, because the mean of its divisors is an integer number (312910332).

Almost surely, 2^2143251004 is an apocalyptic number.

It is an amenable number.

2143251004 is a deficient number, since it is larger than the sum of its proper divisors (1611672980).

2143251004 is a wasteful number, since it uses less digits than its factorization.

2143251004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604964 (or 604962 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2143251004 is about 46295.2589797271. The cubic root of 2143251004 is about 1289.3109722992.

Adding to 2143251004 its reverse (4001523412), we get a palindrome (6144774416).

The spelling of 2143251004 in words is "two billion, one hundred forty-three million, two hundred fifty-one thousand, four".