6913287900 has 144 divisors (see below), whose sum is σ = 22441619200. Its totient is φ = 1825571520.

The previous prime is 6913287877. The next prime is 6913287919. The reversal of 6913287900 is 97823196.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265671 + ... + 290529.

Almost surely, 2^6913287900 is an apocalyptic number.

6913287900 is a gapful number since it is divisible by the number (60) 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 6913287900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11220809600).

6913287900 is an abundant number, since it is smaller than the sum of its proper divisors (15528331300).

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

6913287900 is a wasteful number, since it uses less digits than its factorization.

6913287900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24985 (or 24972 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 6913287900 is about 83146.1839172430. The cubic root of 6913287900 is about 1904.9995659990. Note that the first 3 decimals are identical.

The spelling of 6913287900 in words is "six billion, nine hundred thirteen million, two hundred eighty-seven thousand, nine hundred".