26525073069 has 24 divisors (see below), whose sum is σ = 41819834784. Its totient is φ = 16067052000.

The previous prime is 26525073067. The next prime is 26525073103. The reversal of 26525073069 is 96037052562.

26525073069 is a `hidden beast` number, since 2 + 6 + 52 + 507 + 30 + 69 = 666.

It is not a de Polignac number, because 26525073069 - 2¹ = 26525073067 is a prime.

It is a super-2 number, since 2×26525073069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26525073067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112254 + ... + 256224.

It is an arithmetic number, because the mean of its divisors is an integer number (1742493116).

Almost surely, 2^26525073069 is an apocalyptic number.

It is an amenable number.

26525073069 is a deficient number, since it is larger than the sum of its proper divisors (15294761715).

26525073069 is a wasteful number, since it uses less digits than its factorization.

26525073069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145849 (or 145846 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 26525073069 in words is "twenty-six billion, five hundred twenty-five million, seventy-three thousand, sixty-nine".