26484509451 has 16 divisors (see below), whose sum is σ = 35599556384. Its totient is φ = 17513293824.

The previous prime is 26484509449. The next prime is 26484509473. The reversal of 26484509451 is 15490548462.

It is not a de Polignac number, because 26484509451 - 2¹ = 26484509449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26484509451.

It is not an unprimeable number, because it can be changed into a prime (26484509411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223041 + ... + 320493.

It is an arithmetic number, because the mean of its divisors is an integer number (2224972274).

Almost surely, 2^26484509451 is an apocalyptic number.

26484509451 is a deficient number, since it is larger than the sum of its proper divisors (9115046933).

26484509451 is a wasteful number, since it uses less digits than its factorization.

26484509451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98190.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 26484509451 in words is "twenty-six billion, four hundred eighty-four million, five hundred nine thousand, four hundred fifty-one".