259420927925 has 6 divisors (see below), whose sum is σ = 321681950658. Its totient is φ = 207536742320.

The previous prime is 259420927919. The next prime is 259420927951. The reversal of 259420927925 is 529729024952.

It can be written as a sum of positive squares in 3 ways, for example, as 76163304529 + 183257623396 = 275977^2 + 428086^2 .

It is a de Polignac number, because none of the positive numbers 2^k-259420927925 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5188418534 + ... + 5188418583.

It is an arithmetic number, because the mean of its divisors is an integer number (53613658443).

Almost surely, 2^259420927925 is an apocalyptic number.

259420927925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

259420927925 is a deficient number, since it is larger than the sum of its proper divisors (62261022733).

259420927925 is a wasteful number, since it uses less digits than its factorization.

259420927925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10376837127 (or 10376837122 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 259420927925 in words is "two hundred fifty-nine billion, four hundred twenty million, nine hundred twenty-seven thousand, nine hundred twenty-five".