26454650651 has 16 divisors (see below), whose sum is σ = 31091558400. Its totient is φ = 22191157920.

The previous prime is 26454650641. The next prime is 26454650687. The reversal of 26454650651 is 15605645462.

It is a cyclic number.

It is not a de Polignac number, because 26454650651 - 2⁶ = 26454650587 is a prime.

It is a super-3 number, since 3×26454650651³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26454650641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351686 + ... + 420228.

It is an arithmetic number, because the mean of its divisors is an integer number (1943222400).

Almost surely, 2^26454650651 is an apocalyptic number.

26454650651 is a deficient number, since it is larger than the sum of its proper divisors (4636907749).

26454650651 is a wasteful number, since it uses less digits than its factorization.

26454650651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71266.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 26454650651 in words is "twenty-six billion, four hundred fifty-four million, six hundred fifty thousand, six hundred fifty-one".