25288029001389 has 32 divisors (see below), whose sum is σ = 42039543536640. Its totient is φ = 13135919529600.

The previous prime is 25288029001387. The next prime is 25288029001429. The reversal of 25288029001389 is 98310092088252.

It is not a de Polignac number, because 25288029001389 - 2¹ = 25288029001387 is a prime.

It is a super-2 number, since 2×25288029001389² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25288029001387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1247694 + ... + 7220304.

It is an arithmetic number, because the mean of its divisors is an integer number (1313735735520).

Almost surely, 2^{25288029001389} is an apocalyptic number.

It is an amenable number.

25288029001389 is a deficient number, since it is larger than the sum of its proper divisors (16751514535251).

25288029001389 is a wasteful number, since it uses less digits than its factorization.

25288029001389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5990961.

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 25288029001389 in words is "twenty-five trillion, two hundred eighty-eight billion, twenty-nine million, one thousand, three hundred eighty-nine".