2681509512 has 32 divisors (see below), whose sum is σ = 7313208480. Its totient is φ = 812578560.

The previous prime is 2681509489. The next prime is 2681509529. The reversal of 2681509512 is 2159051862.

2681509512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5078353 + ... + 5078880.

It is an arithmetic number, because the mean of its divisors is an integer number (228537765).

Almost surely, 2^2681509512 is an apocalyptic number.

2681509512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2681509512 is an abundant number, since it is smaller than the sum of its proper divisors (4631698968).

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

2681509512 is a wasteful number, since it uses less digits than its factorization.

2681509512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10157253 (or 10157249 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 2681509512 is about 51783.2937538739. The cubic root of 2681509512 is about 1389.2906533697.

The spelling of 2681509512 in words is "two billion, six hundred eighty-one million, five hundred nine thousand, five hundred twelve".