397979130401 has 8 divisors (see below), whose sum is σ = 402448644360. Its totient is φ = 393517099008.

The previous prime is 397979130293. The next prime is 397979130421. The reversal of 397979130401 is 104031979793.

It can be written as a sum of positive squares in 4 ways, for example, as 133371770401 + 264607360000 = 365201^2 + 514400^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 397979130401 - 2¹⁴ = 397979114017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397979130421) by changing a digit.

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, 1763636 + ... + 1976453.

It is an arithmetic number, because the mean of its divisors is an integer number (50306080545).

Almost surely, 2^397979130401 is an apocalyptic number.

It is an amenable number.

397979130401 is a deficient number, since it is larger than the sum of its proper divisors (4469513959).

397979130401 is a wasteful number, since it uses less digits than its factorization.

397979130401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741283.

The product of its (nonzero) digits is 1285956, while the sum is 53.

The spelling of 397979130401 in words is "three hundred ninety-seven billion, nine hundred seventy-nine million, one hundred thirty thousand, four hundred one".