297649749408 has 96 divisors (see below), whose sum is σ = 853350930432. Its totient is φ = 90092102400.

The previous prime is 297649749347. The next prime is 297649749421. The reversal of 297649749408 is 804947946792.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748023 + ... + 1074633.

It is an arithmetic number, because the mean of its divisors is an integer number (8889072192).

Almost surely, 2^297649749408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 297649749408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426675465216).

297649749408 is an abundant number, since it is smaller than the sum of its proper divisors (555701181024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

297649749408 is a wasteful number, since it uses less digits than its factorization.

297649749408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327498 (or 327490 counting only the distinct ones).

The product of its (nonzero) digits is 219469824, while the sum is 69.

The spelling of 297649749408 in words is "two hundred ninety-seven billion, six hundred forty-nine million, seven hundred forty-nine thousand, four hundred eight".