2471605313956 has 27 divisors (see below), whose sum is σ = 4469512511457. Its totient is φ = 1195890891120.

The previous prime is 2471605313953. The next prime is 2471605313959. The reversal of 2471605313956 is 6593135061742.

The square root of 2471605313956 is 1572134.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (2471605313953) and next prime (2471605313959).

It can be written as a sum of positive squares in only one way, i.e., 797645472100 + 1673959841856 = 893110^2 + 1293816^2 .

It is a super-2 number, since 2×2471605313956² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2471605313951) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 97459630 + ... + 97484986.

Almost surely, 2^{2471605313956} is an apocalyptic number.

2471605313956 is the 1572134-th square number.

It is an amenable number.

2471605313956 is a deficient number, since it is larger than the sum of its proper divisors (1997907197501).

2471605313956 is an frugal number, since it uses more digits than its factorization.

2471605313956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50780 (or 25390 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 52.

It can be divided in two parts, 2471605 and 313956, that added together give a square (2785561 = 1669²).

The spelling of 2471605313956 in words is "two trillion, four hundred seventy-one billion, six hundred five million, three hundred thirteen thousand, nine hundred fifty-six".