409887454948 has 6 divisors (see below), whose sum is σ = 717303046166. Its totient is φ = 204943727472.

The previous prime is 409887454927. The next prime is 409887454957. The reversal of 409887454948 is 849454788904.

It can be written as a sum of positive squares in only one way, i.e., 314005571044 + 95881883904 = 560362^2 + 309648^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51235931865 + ... + 51235931872.

Almost surely, 2^409887454948 is an apocalyptic number.

It is an amenable number.

409887454948 is a deficient number, since it is larger than the sum of its proper divisors (307415591218).

409887454948 is a wasteful number, since it uses less digits than its factorization.

409887454948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102471863741 (or 102471863739 counting only the distinct ones).

The product of its (nonzero) digits is 371589120, while the sum is 70.

The spelling of 409887454948 in words is "four hundred nine billion, eight hundred eighty-seven million, four hundred fifty-four thousand, nine hundred forty-eight".