6900791436 has 480 divisors, whose sum is σ = 24342861312. Its totient is φ = 1649756160.

The previous prime is 6900791413. The next prime is 6900791437. The reversal of 6900791436 is 6341970096.

It is a junction number, because it is equal to n+sod(n) for n = 6900791391 and 6900791400.

It is not an unprimeable number, because it can be changed into a prime (6900791437) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 22477995 + ... + 22478301.

Almost surely, 2^6900791436 is an apocalyptic number.

6900791436 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6900791436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12171430656).

6900791436 is an abundant number, since it is smaller than the sum of its proper divisors (17442069876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6900791436 is a wasteful number, since it uses less digits than its factorization.

6900791436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 6900791436 is about 83071.0023774843. The cubic root of 6900791436 is about 1903.8510475212.

The spelling of 6900791436 in words is "six billion, nine hundred million, seven hundred ninety-one thousand, four hundred thirty-six".