2753621481 has 8 divisors (see below), whose sum is σ = 3953918080. Its totient is φ = 1694536272.

The previous prime is 2753621443. The next prime is 2753621483. The reversal of 2753621481 is 1841263572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2753621481 - 2¹¹ = 2753619433 is a prime.

It is a super-2 number, since 2×2753621481² = 15164862521249266722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 70605679 = 2753621481 / (2 + 7 + 5 + 3 + 6 + 2 + 1 + 4 + 8 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2753621483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35302801 + ... + 35302878.

It is an arithmetic number, because the mean of its divisors is an integer number (494239760).

Almost surely, 2^2753621481 is an apocalyptic number.

It is an amenable number.

2753621481 is a deficient number, since it is larger than the sum of its proper divisors (1200296599).

2753621481 is a wasteful number, since it uses less digits than its factorization.

2753621481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70605695.

The product of its digits is 80640, while the sum is 39.

The square root of 2753621481 is about 52474.9605145159. The cubic root of 2753621481 is about 1401.6343975106.

The spelling of 2753621481 in words is "two billion, seven hundred fifty-three million, six hundred twenty-one thousand, four hundred eighty-one".