25729703011930 has 8 divisors (see below), whose sum is σ = 46313465421492. Its totient is φ = 10291881204768.

The previous prime is 25729703011861. The next prime is 25729703011933. The reversal of 25729703011930 is 3911030792752.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24683597491081 + 1046105520849 = 4968259^2 + 1022793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (25729703011933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286485150587 + ... + 1286485150606.

Almost surely, 2^{25729703011930} is an apocalyptic number.

25729703011930 is a deficient number, since it is larger than the sum of its proper divisors (20583762409562).

25729703011930 is a wasteful number, since it uses less digits than its factorization.

25729703011930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572970301200.

The product of its (nonzero) digits is 714420, while the sum is 49.

The spelling of 25729703011930 in words is "twenty-five trillion, seven hundred twenty-nine billion, seven hundred three million, eleven thousand, nine hundred thirty".