4649139922 has 32 divisors (see below), whose sum is σ = 8074063872. Its totient is φ = 1966510224.

The previous prime is 4649139899. The next prime is 4649139931. The reversal of 4649139922 is 2299319464.

It is a happy number.

It is a super-2 number, since 2×4649139922² = 43229004028668332168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2168383 + ... + 2170525.

It is an arithmetic number, because the mean of its divisors is an integer number (252314496).

Almost surely, 2^4649139922 is an apocalyptic number.

4649139922 is a deficient number, since it is larger than the sum of its proper divisors (3424923950).

4649139922 is a wasteful number, since it uses less digits than its factorization.

4649139922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102.

The product of its digits is 839808, while the sum is 49.

The square root of 4649139922 is about 68184.6017954201. The cubic root of 4649139922 is about 1669.0046206004.

The spelling of 4649139922 in words is "four billion, six hundred forty-nine million, one hundred thirty-nine thousand, nine hundred twenty-two".