2673501381 has 36 divisors (see below), whose sum is σ = 4097339532. Its totient is φ = 1679553792.

The previous prime is 2673501373. The next prime is 2673501401. The reversal of 2673501381 is 1831053762.

2673501381 is a `hidden beast` number, since 2 + 6 + 73 + 501 + 3 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2556212481 + 117288900 = 50559^2 + 10830^2 .

It is not a de Polignac number, because 2673501381 - 2³ = 2673501373 is a prime.

It is a super-2 number, since 2×2673501381² = 14295219268417814322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2673501581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 637965 + ... + 642141.

It is an arithmetic number, because the mean of its divisors is an integer number (113814987).

Almost surely, 2^2673501381 is an apocalyptic number.

It is an amenable number.

2673501381 is a deficient number, since it is larger than the sum of its proper divisors (1423838151).

2673501381 is a wasteful number, since it uses less digits than its factorization.

2673501381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418 (or 4396 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 2673501381 is about 51705.9124375540. The cubic root of 2673501381 is about 1387.9062695373.

The spelling of 2673501381 in words is "two billion, six hundred seventy-three million, five hundred one thousand, three hundred eighty-one".