4638949076 has 6 divisors (see below), whose sum is σ = 8118160890. Its totient is φ = 2319474536.

The previous prime is 4638949057. The next prime is 4638949187. The reversal of 4638949076 is 6709498364.

It can be written as a sum of positive squares in only one way, i.e., 3972276676 + 666672400 = 63026^2 + 25820^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579868631 + ... + 579868638.

It is an arithmetic number, because the mean of its divisors is an integer number (1353026815).

Almost surely, 2^4638949076 is an apocalyptic number.

It is an amenable number.

4638949076 is a deficient number, since it is larger than the sum of its proper divisors (3479211814).

4638949076 is a wasteful number, since it uses less digits than its factorization.

4638949076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159737273 (or 1159737271 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The square root of 4638949076 is about 68109.8309790885. The cubic root of 4638949076 is about 1667.7842506672.

The spelling of 4638949076 in words is "four billion, six hundred thirty-eight million, nine hundred forty-nine thousand, seventy-six".