6900824135 has 4 divisors (see below), whose sum is σ = 8280988968. Its totient is φ = 5520659304.

The previous prime is 6900824131. The next prime is 6900824171. The reversal of 6900824135 is 5314280096.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6900824135 - 2² = 6900824131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6900824131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690082409 + ... + 690082418.

It is an arithmetic number, because the mean of its divisors is an integer number (2070247242).

Almost surely, 2^6900824135 is an apocalyptic number.

6900824135 is a deficient number, since it is larger than the sum of its proper divisors (1380164833).

6900824135 is a wasteful number, since it uses less digits than its factorization.

6900824135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380164832.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 6900824135 is about 83071.1991908146. The cubic root of 6900824135 is about 1903.8540546124.

The spelling of 6900824135 in words is "six billion, nine hundred million, eight hundred twenty-four thousand, one hundred thirty-five".