4972631639 has 2 divisors, whose sum is σ = 4972631640. Its totient is φ = 4972631638.

The previous prime is 4972631633. The next prime is 4972631669. The reversal of 4972631639 is 9361362794.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4972631639 - 2⁴ = 4972631623 is a prime.

It is a super-3 number, since 3×4972631639³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4972631633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2486315819 + 2486315820.

It is an arithmetic number, because the mean of its divisors is an integer number (2486315820).

Almost surely, 2^4972631639 is an apocalyptic number.

4972631639 is a deficient number, since it is larger than the sum of its proper divisors (1).

4972631639 is an equidigital number, since it uses as much as digits as its factorization.

4972631639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 50.

The square root of 4972631639 is about 70516.8890337627. The cubic root of 4972631639 is about 1706.8502875089.

The spelling of 4972631639 in words is "four billion, nine hundred seventy-two million, six hundred thirty-one thousand, six hundred thirty-nine".