397199290658 has 16 divisors (see below), whose sum is σ = 612846660096. Its totient is φ = 192965433360.

The previous prime is 397199290643. The next prime is 397199290711. The reversal of 397199290658 is 856092991793.

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 7 ways as a sum of consecutive naturals, for example, 12074141 + ... + 12106992.

It is an arithmetic number, because the mean of its divisors is an integer number (38302916256).

Almost surely, 2^397199290658 is an apocalyptic number.

397199290658 is a deficient number, since it is larger than the sum of its proper divisors (215647369438).

397199290658 is a wasteful number, since it uses less digits than its factorization.

397199290658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24181369.

The product of its (nonzero) digits is 66134880, while the sum is 68.

The spelling of 397199290658 in words is "three hundred ninety-seven billion, one hundred ninety-nine million, two hundred ninety thousand, six hundred fifty-eight".