25713610324546 has 4 divisors (see below), whose sum is σ = 38570415486822. Its totient is φ = 12856805162272.

The previous prime is 25713610324541. The next prime is 25713610324609. The reversal of 25713610324546 is 64542301631752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21913212134025 + 3800398190521 = 4681155^2 + 1949461^2 .

It is a super-2 number, since 2×25713610324546² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25713610324546.

It is not an unprimeable number, because it can be changed into a prime (25713610324541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6428402581135 + ... + 6428402581138.

Almost surely, 2^{25713610324546} is an apocalyptic number.

25713610324546 is a deficient number, since it is larger than the sum of its proper divisors (12856805162276).

25713610324546 is a wasteful number, since it uses less digits than its factorization.

25713610324546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12856805162275.

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 25713610324546 in words is "twenty-five trillion, seven hundred thirteen billion, six hundred ten million, three hundred twenty-four thousand, five hundred forty-six".