2148260497 has 2 divisors, whose sum is σ = 2148260498. Its totient is φ = 2148260496.

The previous prime is 2148260489. The next prime is 2148260549. The reversal of 2148260497 is 7940628412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2135271681 + 12988816 = 46209^2 + 3604^2 .

It is a cyclic number.

It is not a de Polignac number, because 2148260497 - 2³ = 2148260489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2148260407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074130248 + 1074130249.

It is an arithmetic number, because the mean of its divisors is an integer number (1074130249).

Almost surely, 2^2148260497 is an apocalyptic number.

It is an amenable number.

2148260497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148260497 is an equidigital number, since it uses as much as digits as its factorization.

2148260497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 2148260497 is about 46349.3311386475. The cubic root of 2148260497 is about 1290.3147073856.

The spelling of 2148260497 in words is "two billion, one hundred forty-eight million, two hundred sixty thousand, four hundred ninety-seven".