7669853638 has 4 divisors (see below), whose sum is σ = 11504780460. Its totient is φ = 3834926818.

The previous prime is 7669853629. The next prime is 7669853651. The reversal of 7669853638 is 8363589667.

It is a happy number.

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

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, 1917463408 + ... + 1917463411.

It is an arithmetic number, because the mean of its divisors is an integer number (2876195115).

Almost surely, 2^7669853638 is an apocalyptic number.

7669853638 is a deficient number, since it is larger than the sum of its proper divisors (3834926822).

7669853638 is a wasteful number, since it uses less digits than its factorization.

7669853638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834926821.

The product of its digits is 39191040, while the sum is 61.

The square root of 7669853638 is about 87577.7005749751. The cubic root of 7669853638 is about 1972.1004195949.

The spelling of 7669853638 in words is "seven billion, six hundred sixty-nine million, eight hundred fifty-three thousand, six hundred thirty-eight".