4942977639 has 16 divisors (see below), whose sum is σ = 6737041920. Its totient is φ = 3222244800.

The previous prime is 4942977617. The next prime is 4942977649. The reversal of 4942977639 is 9367792494.

4942977639 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4942977639 - 2¹² = 4942973543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4942977649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143664 + ... + 174714.

It is an arithmetic number, because the mean of its divisors is an integer number (421065120).

Almost surely, 2^4942977639 is an apocalyptic number.

4942977639 is a deficient number, since it is larger than the sum of its proper divisors (1794064281).

4942977639 is a wasteful number, since it uses less digits than its factorization.

4942977639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32230.

The product of its digits is 20575296, while the sum is 60.

The square root of 4942977639 is about 70306.3129384552. The cubic root of 4942977639 is about 1703.4506197639.

The spelling of 4942977639 in words is "four billion, nine hundred forty-two million, nine hundred seventy-seven thousand, six hundred thirty-nine".