26349088645 has 8 divisors (see below), whose sum is σ = 34493352480. Its totient is φ = 19162973520.

The previous prime is 26349088553. The next prime is 26349088651. The reversal of 26349088645 is 54688094362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26349088645 - 2¹⁵ = 26349055877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 479074339 = 26349088645 / (2 + 6 + 3 + 4 + 9 + 0 + 8 + 8 + 6 + 4 + 5).

It is a congruent number.

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, 239537115 + ... + 239537224.

It is an arithmetic number, because the mean of its divisors is an integer number (4311669060).

Almost surely, 2^26349088645 is an apocalyptic number.

It is an amenable number.

26349088645 is a deficient number, since it is larger than the sum of its proper divisors (8144263835).

26349088645 is a wasteful number, since it uses less digits than its factorization.

26349088645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479074355.

The product of its (nonzero) digits is 9953280, while the sum is 55.

The spelling of 26349088645 in words is "twenty-six billion, three hundred forty-nine million, eighty-eight thousand, six hundred forty-five".