2130433402 has 4 divisors (see below), whose sum is σ = 3195650106. Its totient is φ = 1065216700.

The previous prime is 2130433391. The next prime is 2130433411. The reversal of 2130433402 is 2043340312.

It is a happy number.

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., 1649903161 + 480530241 = 40619^2 + 21921^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532608349 + ... + 532608352.

Almost surely, 2^2130433402 is an apocalyptic number.

2130433402 is a deficient number, since it is larger than the sum of its proper divisors (1065216704).

2130433402 is a wasteful number, since it uses less digits than its factorization.

2130433402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065216703.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 2130433402 is about 46156.6181820116. The cubic root of 2130433402 is about 1286.7356122803.

Adding to 2130433402 its reverse (2043340312), we get a palindrome (4173773714).

The spelling of 2130433402 in words is "two billion, one hundred thirty million, four hundred thirty-three thousand, four hundred two".