297026306421 has 12 divisors (see below), whose sum is σ = 428842715328. Its totient is φ = 182785419024.

The previous prime is 297026306399. The next prime is 297026306429. The reversal of 297026306421 is 124603620792.

It is not a de Polignac number, because 297026306421 - 2⁵ = 297026306389 is a prime.

It is a super-2 number, since 2×297026306421² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297026306429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292924845 + ... + 292925858.

It is an arithmetic number, because the mean of its divisors is an integer number (35736892944).

Almost surely, 2^297026306421 is an apocalyptic number.

It is an amenable number.

297026306421 is a deficient number, since it is larger than the sum of its proper divisors (131816408907).

297026306421 is a wasteful number, since it uses less digits than its factorization.

297026306421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585850732 (or 585850719 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 297026306421 in words is "two hundred ninety-seven billion, twenty-six million, three hundred six thousand, four hundred twenty-one".