6840693754 has 4 divisors (see below), whose sum is σ = 10261040634. Its totient is φ = 3420346876.

The previous prime is 6840693707. The next prime is 6840693757. The reversal of 6840693754 is 4573960486.

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., 5262777025 + 1577916729 = 72545^2 + 39723^2 .

It is a super-2 number, since 2×6840693754² = 93590182072029225032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6840693757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710173437 + ... + 1710173440.

Almost surely, 2^6840693754 is an apocalyptic number.

6840693754 is a deficient number, since it is larger than the sum of its proper divisors (3420346880).

6840693754 is a wasteful number, since it uses less digits than its factorization.

6840693754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420346879.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The square root of 6840693754 is about 82708.4865899504. The cubic root of 6840693754 is about 1898.3081665494.

The spelling of 6840693754 in words is "six billion, eight hundred forty million, six hundred ninety-three thousand, seven hundred fifty-four".