297808112642 has 4 divisors (see below), whose sum is σ = 446712168966. Its totient is φ = 148904056320.

The previous prime is 297808112551. The next prime is 297808112659. The reversal of 297808112642 is 246211808792.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 286964847481 + 10843265161 = 535691^2 + 104131^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74452028159 + ... + 74452028162.

Almost surely, 2^297808112642 is an apocalyptic number.

297808112642 is a deficient number, since it is larger than the sum of its proper divisors (148904056324).

297808112642 is a wasteful number, since it uses less digits than its factorization.

297808112642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148904056323.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 297808112642 in words is "two hundred ninety-seven billion, eight hundred eight million, one hundred twelve thousand, six hundred forty-two".