4351379906 has 4 divisors (see below), whose sum is σ = 6527069862. Its totient is φ = 2175689952.

The previous prime is 4351379881. The next prime is 4351379927. The reversal of 4351379906 is 6099731534.

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., 3318336025 + 1033043881 = 57605^2 + 32141^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087844975 + ... + 1087844978.

Almost surely, 2^4351379906 is an apocalyptic number.

4351379906 is a deficient number, since it is larger than the sum of its proper divisors (2175689956).

4351379906 is a wasteful number, since it uses less digits than its factorization.

4351379906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2175689955.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 4351379906 is about 65964.9900022732. The cubic root of 4351379906 is about 1632.5844938901.

The spelling of 4351379906 in words is "four billion, three hundred fifty-one million, three hundred seventy-nine thousand, nine hundred six".