406989499522 has 16 divisors (see below), whose sum is σ = 611573513760. Its totient is φ = 203131928448.

The previous prime is 406989499463. The next prime is 406989499571. The reversal of 406989499522 is 225994989604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3049618 + ... + 3180274.

It is an arithmetic number, because the mean of its divisors is an integer number (38223344610).

Almost surely, 2^406989499522 is an apocalyptic number.

406989499522 is a deficient number, since it is larger than the sum of its proper divisors (204584014238).

406989499522 is a wasteful number, since it uses less digits than its factorization.

406989499522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133425.

The product of its (nonzero) digits is 100776960, while the sum is 67.

The spelling of 406989499522 in words is "four hundred six billion, nine hundred eighty-nine million, four hundred ninety-nine thousand, five hundred twenty-two".