1595494870641 has 27 divisors (see below), whose sum is σ = 2680910102091. Its totient is φ = 911696197104.

The previous prime is 1595494870639. The next prime is 1595494870649. The reversal of 1595494870641 is 1460784945951.

The square root of 1595494870641 is 1263129.

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

1595494870641 is a `hidden beast` number, since 1 + 5 + 9 + 5 + 494 + 87 + 0 + 64 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 460119379041 + 1135375491600 = 678321^2 + 1065540^2 .

It is not a de Polignac number, because 1595494870641 - 2¹ = 1595494870639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1595494870649) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 26495635 + ... + 26555783.

Almost surely, 2^{1595494870641} is an apocalyptic number.

1595494870641 is the 1263129-th square number.

1595494870641 is the 631565-th centered octagonal number.

It is an amenable number.

1595494870641 is a deficient number, since it is larger than the sum of its proper divisors (1085415231450).

1595494870641 is an frugal number, since it uses more digits than its factorization.

1595494870641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120318 (or 60159 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 63.

The spelling of 1595494870641 in words is "one trillion, five hundred ninety-five billion, four hundred ninety-four million, eight hundred seventy thousand, six hundred forty-one".