403706473641 has 81 divisors (see below), whose sum is σ = 628229560023. Its totient is φ = 249780192480.

The previous prime is 403706473627. The next prime is 403706473657. The reversal of 403706473641 is 146374607304.

The square root of 403706473641 is 635379.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 118332560025 + 285373913616 = 343995^2 + 534204^2 .

It is not a de Polignac number, because 403706473641 - 2¹¹ = 403706471593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (403706473141) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2571378735 + ... + 2571378891.

Almost surely, 2^403706473641 is an apocalyptic number.

403706473641 is the 635379-th square number.

403706473641 is the 317690-th centered octagonal number.

It is an amenable number.

403706473641 is a deficient number, since it is larger than the sum of its proper divisors (224523086382).

403706473641 is an equidigital number, since it uses as much as digits as its factorization.

403706473641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

The spelling of 403706473641 in words is "four hundred three billion, seven hundred six million, four hundred seventy-three thousand, six hundred forty-one".