2691058048 has 96 divisors (see below), whose sum is σ = 6256096560. Its totient is φ = 1149668352.

The previous prime is 2691058009. The next prime is 2691058081. The reversal of 2691058048 is 8408501962.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2691057995 and 2691058013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3154390 + ... + 3155242.

Almost surely, 2^2691058048 is an apocalyptic number.

2691058048 is a gapful number since it is divisible by the number (28) 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 2691058048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3128048280).

2691058048 is an abundant number, since it is smaller than the sum of its proper divisors (3565038512).

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

2691058048 is an equidigital number, since it uses as much as digits as its factorization.

2691058048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384 (or 1365 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 2691058048 is about 51875.4088947740. The cubic root of 2691058048 is about 1390.9377327461.

The spelling of 2691058048 in words is "two billion, six hundred ninety-one million, fifty-eight thousand, forty-eight".