7739652442 has 4 divisors (see below), whose sum is σ = 11609478666. Its totient is φ = 3869826220.

The previous prime is 7739652439. The next prime is 7739652493. The reversal of 7739652442 is 2442569377.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7591811161 + 147841281 = 87131^2 + 12159^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934913109 + ... + 1934913112.

Almost surely, 2^7739652442 is an apocalyptic number.

7739652442 is a deficient number, since it is larger than the sum of its proper divisors (3869826224).

7739652442 is a wasteful number, since it uses less digits than its factorization.

7739652442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3869826223.

The product of its digits is 2540160, while the sum is 49.

The square root of 7739652442 is about 87975.2944979441. The cubic root of 7739652442 is about 1978.0646703545.

The spelling of 7739652442 in words is "seven billion, seven hundred thirty-nine million, six hundred fifty-two thousand, four hundred forty-two".