35969019025 has 27 divisors (see below), whose sum is σ = 45244429041. Its totient is φ = 28366319040.

The previous prime is 35969019017. The next prime is 35969019043. The reversal of 35969019025 is 52091096953.

The square root of 35969019025 is 189655.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2504902401 + 33464116624 = 50049^2 + 182932^2 .

It is not a de Polignac number, because 35969019025 - 2³ = 35969019017 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 35969019025.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 78706597 + ... + 78707053.

Almost surely, 2^35969019025 is an apocalyptic number.

35969019025 is the 189655-th square number.

35969019025 is the 94828-th centered octagonal number.

It is an amenable number.

35969019025 is a deficient number, since it is larger than the sum of its proper divisors (9275410016).

35969019025 is an frugal number, since it uses more digits than its factorization.

35969019025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 656100, while the sum is 49.

Multiplying 35969019025 by its sum of digits (49), we get a square (1762481932225 = 1327585²).

The spelling of 35969019025 in words is "thirty-five billion, nine hundred sixty-nine million, nineteen thousand, twenty-five".