397003369761 has 12 divisors (see below), whose sum is σ = 573455705940. Its totient is φ = 264665962080.

The previous prime is 397003369751. The next prime is 397003369849. The reversal of 397003369761 is 167963300793.

It can be written as a sum of positive squares in 2 ways, for example, as 225416048400 + 171587321361 = 474780^2 + 414231^2 .

It is not a de Polignac number, because 397003369761 - 2¹⁵ = 397003336993 is a prime.

It is a super-2 number, since 2×397003369761² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 397003369698 and 397003369707.

It is not an unprimeable number, because it can be changed into a prime (397003369751) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 874971 + ... + 1248831.

It is an arithmetic number, because the mean of its divisors is an integer number (47787975495).

Almost surely, 2^397003369761 is an apocalyptic number.

It is an amenable number.

397003369761 is a deficient number, since it is larger than the sum of its proper divisors (176452336179).

397003369761 is a wasteful number, since it uses less digits than its factorization.

397003369761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491856 (or 491853 counting only the distinct ones).

The product of its (nonzero) digits is 3857868, while the sum is 54.

The spelling of 397003369761 in words is "three hundred ninety-seven billion, three million, three hundred sixty-nine thousand, seven hundred sixty-one".