397454881043 has 6 divisors (see below), whose sum is σ = 436871894172. Its totient is φ = 361322619020.

The previous prime is 397454881039. The next prime is 397454881073. The reversal of 397454881043 is 340188454793.

It is not a de Polignac number, because 397454881043 - 2² = 397454881039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 397454881043.

It is not an unprimeable number, because it can be changed into a prime (397454881073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1642375421 + ... + 1642375662.

It is an arithmetic number, because the mean of its divisors is an integer number (72811982362).

Almost surely, 2^397454881043 is an apocalyptic number.

397454881043 is a deficient number, since it is larger than the sum of its proper divisors (39417013129).

397454881043 is a wasteful number, since it uses less digits than its factorization.

397454881043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284751105 (or 3284751094 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 56.

The spelling of 397454881043 in words is "three hundred ninety-seven billion, four hundred fifty-four million, eight hundred eighty-one thousand, forty-three".