7642341693 has 18 divisors (see below), whose sum is σ = 12841214334. Its totient is φ = 4367052144.

The previous prime is 7642341689. The next prime is 7642341697. The reversal of 7642341693 is 3961432467.

It is an interprime number because it is at equal distance from previous prime (7642341689) and next prime (7642341697).

It can be written as a sum of positive squares in only one way, i.e., 4030091289 + 3612250404 = 63483^2 + 60102^2 .

It is not a de Polignac number, because 7642341693 - 2² = 7642341689 is a prime.

It is a super-2 number, since 2×7642341693² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7642341697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8664346 + ... + 8665227.

Almost surely, 2^7642341693 is an apocalyptic number.

It is an amenable number.

7642341693 is a deficient number, since it is larger than the sum of its proper divisors (5198872641).

7642341693 is a wasteful number, since it uses less digits than its factorization.

7642341693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17329593 (or 17329583 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 7642341693 is about 87420.4878332305. The cubic root of 7642341693 is about 1969.7396044118.

The spelling of 7642341693 in words is "seven billion, six hundred forty-two million, three hundred forty-one thousand, six hundred ninety-three".