2150623402 has 8 divisors (see below), whose sum is σ = 3226133412. Its totient is φ = 1075245600.

The previous prime is 2150623393. The next prime is 2150623493. The reversal of 2150623402 is 2043260512.

It can be written as a sum of positive squares in 2 ways, for example, as 2149156881 + 1466521 = 46359^2 + 1211^2 .

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

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, 39252 + ... + 76432.

Almost surely, 2^2150623402 is an apocalyptic number.

2150623402 is a deficient number, since it is larger than the sum of its proper divisors (1075510010).

2150623402 is a wasteful number, since it uses less digits than its factorization.

2150623402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66104.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2150623402 is about 46374.8143069059. The cubic root of 2150623402 is about 1290.7876130876.

Adding to 2150623402 its reverse (2043260512), we get a palindrome (4193883914).

The spelling of 2150623402 in words is "two billion, one hundred fifty million, six hundred twenty-three thousand, four hundred two".