2481657328931 has 4 divisors (see below), whose sum is σ = 2707262540664. Its totient is φ = 2256052117200.

The previous prime is 2481657328919. The next prime is 2481657328963. The reversal of 2481657328931 is 1398237561842.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2481657328931 - 2⁶ = 2481657328867 is a prime.

It is a super-2 number, since 2×2481657328931² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2481657328981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112802605850 + ... + 112802605871.

It is an arithmetic number, because the mean of its divisors is an integer number (676815635166).

Almost surely, 2^{2481657328931} is an apocalyptic number.

2481657328931 is a deficient number, since it is larger than the sum of its proper divisors (225605211733).

2481657328931 is a wasteful number, since it uses less digits than its factorization.

2481657328931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225605211732.

The product of its digits is 17418240, while the sum is 59.

The spelling of 2481657328931 in words is "two trillion, four hundred eighty-one billion, six hundred fifty-seven million, three hundred twenty-eight thousand, nine hundred thirty-one".