297423446748961 has 9 divisors (see below), whose sum is σ = 322062318244089. Its totient is φ = 274544513124336.

The previous prime is 297423446748941. The next prime is 297423446749007. The reversal of 297423446748961 is 169847644324792.

It is a happy number.

The square root of 297423446748961 is 17245969.

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

It can be written as a sum of positive squares in 4 ways, for example, as 6431706838561 + 290991739910400 = 2536081^2 + 17058480^2 .

It is not a de Polignac number, because 297423446748961 - 2¹⁷ = 297423446617889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (297423446748941) 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, 223534291 + ... + 224860903.

It is an arithmetic number, because the mean of its divisors is an integer number (35784702027121).

Almost surely, 2^{297423446748961} is an apocalyptic number.

297423446748961 is the 17245969-th square number.

297423446748961 is the 8622985-th centered octagonal number.

It is an amenable number.

297423446748961 is a deficient number, since it is larger than the sum of its proper divisors (24638871495128).

297423446748961 is an frugal number, since it uses more digits than its factorization.

297423446748961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653252 (or 1326626 counting only the distinct ones).

The product of its digits is 3511517184, while the sum is 76.

The spelling of 297423446748961 in words is "two hundred ninety-seven trillion, four hundred twenty-three billion, four hundred forty-six million, seven hundred forty-eight thousand, nine hundred sixty-one".