26609113938 has 16 divisors (see below), whose sum is σ = 58056248736. Its totient is φ = 8063367840.

The previous prime is 26609113919. The next prime is 26609113957. The reversal of 26609113938 is 83931190662.

It is an interprime number because it is at equal distance from previous prime (26609113919) and next prime (26609113957).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201584131 + ... + 201584262.

It is an arithmetic number, because the mean of its divisors is an integer number (3628515546).

Almost surely, 2^26609113938 is an apocalyptic number.

26609113938 is an abundant number, since it is smaller than the sum of its proper divisors (31447134798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26609113938 is a wasteful number, since it uses less digits than its factorization.

26609113938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403168409.

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 26609113938 in words is "twenty-six billion, six hundred nine million, one hundred thirteen thousand, nine hundred thirty-eight".