2478148923473 has 2 divisors, whose sum is σ = 2478148923474. Its totient is φ = 2478148923472.

The previous prime is 2478148923469. The next prime is 2478148923541. The reversal of 2478148923473 is 3743298418742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2465882917969 + 12266005504 = 1570313^2 + 110752^2 .

It is a cyclic number.

It is not a de Polignac number, because 2478148923473 - 2² = 2478148923469 is a prime.

It is a super-2 number, since 2×2478148923473² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2478148923403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239074461736 + 1239074461737.

It is an arithmetic number, because the mean of its divisors is an integer number (1239074461737).

Almost surely, 2^{2478148923473} is an apocalyptic number.

It is an amenable number.

2478148923473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478148923473 is an equidigital number, since it uses as much as digits as its factorization.

2478148923473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65028096, while the sum is 62.

The spelling of 2478148923473 in words is "two trillion, four hundred seventy-eight billion, one hundred forty-eight million, nine hundred twenty-three thousand, four hundred seventy-three".