4244292639 has 12 divisors (see below), whose sum is σ = 6131308872. Its totient is φ = 2829222000.

The previous prime is 4244292623. The next prime is 4244292643. The reversal of 4244292639 is 9362924424.

4244292639 is a `hidden beast` number, since 4 + 2 + 4 + 4 + 2 + 9 + 2 + 639 = 666.

It is not a de Polignac number, because 4244292639 - 2⁴ = 4244292623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4244292594 and 4244292603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244292839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89424 + ... + 128394.

It is an arithmetic number, because the mean of its divisors is an integer number (510942406).

Almost surely, 2^4244292639 is an apocalyptic number.

4244292639 is a deficient number, since it is larger than the sum of its proper divisors (1887016233).

4244292639 is a wasteful number, since it uses less digits than its factorization.

4244292639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51078 (or 51075 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 4244292639 is about 65148.2358855556. The cubic root of 4244292639 is about 1619.0804921345.

The spelling of 4244292639 in words is "four billion, two hundred forty-four million, two hundred ninety-two thousand, six hundred thirty-nine".