2471488051491 has 6 divisors (see below), whose sum is σ = 3569927185500. Its totient is φ = 1647658700988.

The previous prime is 2471488051447. The next prime is 2471488051493. The reversal of 2471488051491 is 1941508841742.

It is a happy number.

2471488051491 is a `hidden beast` number, since 2 + 4 + 7 + 1 + 48 + 80 + 514 + 9 + 1 = 666.

2471488051491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2471488051491 - 2¹⁰ = 2471488050467 is a prime.

It is a super-2 number, since 2×2471488051491² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2471488051493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137304891741 + ... + 137304891758.

It is an arithmetic number, because the mean of its divisors is an integer number (594987864250).

Almost surely, 2^{2471488051491} is an apocalyptic number.

2471488051491 is a deficient number, since it is larger than the sum of its proper divisors (1098439134009).

2471488051491 is a wasteful number, since it uses less digits than its factorization.

2471488051491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274609783505 (or 274609783502 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 2471488051491 in words is "two trillion, four hundred seventy-one billion, four hundred eighty-eight million, fifty-one thousand, four hundred ninety-one".