2691027488 has 24 divisors (see below), whose sum is σ = 5410685952. Its totient is φ = 1316885056.

The previous prime is 2691027379. The next prime is 2691027499. The reversal of 2691027488 is 8847201962.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893120 + ... + 896127.

It is an arithmetic number, because the mean of its divisors is an integer number (225445248).

Almost surely, 2^2691027488 is an apocalyptic number.

It is an amenable number.

2691027488 is an abundant number, since it is smaller than the sum of its proper divisors (2719658464).

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

2691027488 is a wasteful number, since it uses less digits than its factorization.

2691027488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789304 (or 1789296 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 2691027488 is about 51875.1143420427. The cubic root of 2691027488 is about 1390.9324675038.

It can be divided in two parts, 2 and 691027488, that multiplied together give a square (1382054976 = 37176²).

The spelling of 2691027488 in words is "two billion, six hundred ninety-one million, twenty-seven thousand, four hundred eighty-eight".