375400135609 has 2 divisors, whose sum is σ = 375400135610. Its totient is φ = 375400135608.

The previous prime is 375400135571. The next prime is 375400135679. The reversal of 375400135609 is 906531004573.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373589888400 + 1810247209 = 611220^2 + 42547^2 .

It is a cyclic number.

It is not a de Polignac number, because 375400135609 - 2²⁷ = 375265917881 is a prime.

It is a super-3 number, since 3×375400135609³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (375400135679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187700067804 + 187700067805.

It is an arithmetic number, because the mean of its divisors is an integer number (187700067805).

Almost surely, 2^375400135609 is an apocalyptic number.

It is an amenable number.

375400135609 is a deficient number, since it is larger than the sum of its proper divisors (1).

375400135609 is an equidigital number, since it uses as much as digits as its factorization.

375400135609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 43.

The spelling of 375400135609 in words is "three hundred seventy-five billion, four hundred million, one hundred thirty-five thousand, six hundred nine".