26620690951 has 8 divisors (see below), whose sum is σ = 26658630944. Its totient is φ = 26582774400.

The previous prime is 26620690919. The next prime is 26620691047. The reversal of 26620690951 is 15909602662.

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

It is a cyclic number.

It is not a de Polignac number, because 26620690951 - 2⁵ = 26620690919 is a prime.

It is a super-2 number, since 2×26620690951² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26620690351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4059091 + ... + 4065643.

It is an arithmetic number, because the mean of its divisors is an integer number (3332328868).

Almost surely, 2^26620690951 is an apocalyptic number.

26620690951 is a deficient number, since it is larger than the sum of its proper divisors (37939993).

26620690951 is an equidigital number, since it uses as much as digits as its factorization.

26620690951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11721.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 26620690951 in words is "twenty-six billion, six hundred twenty million, six hundred ninety thousand, nine hundred fifty-one".