2691288375 has 32 divisors (see below), whose sum is σ = 4491002880. Its totient is φ = 1431284000.

The previous prime is 2691288373. The next prime is 2691288461. The reversal of 2691288375 is 5738821962.

2691288375 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2691288375 - 2¹ = 2691288373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2691288373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124630 + ... + 144620.

It is an arithmetic number, because the mean of its divisors is an integer number (140343840).

Almost surely, 2^2691288375 is an apocalyptic number.

2691288375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2691288375 is a deficient number, since it is larger than the sum of its proper divisors (1799714505).

2691288375 is a wasteful number, since it uses less digits than its factorization.

2691288375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20368 (or 20358 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 2691288375 is about 51877.6288490521. The cubic root of 2691288375 is about 1390.9774149541.

The spelling of 2691288375 in words is "two billion, six hundred ninety-one million, two hundred eighty-eight thousand, three hundred seventy-five".