26619522049 has 8 divisors (see below), whose sum is σ = 27128691072. Its totient is φ = 26110609200.

The previous prime is 26619522043. The next prime is 26619522073. The reversal of 26619522049 is 94022591662.

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 26619522049 - 2²⁹ = 26082651137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26619522043) 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, 152712 + ... + 276694.

It is an arithmetic number, because the mean of its divisors is an integer number (3391086384).

Almost surely, 2^26619522049 is an apocalyptic number.

It is an amenable number.

26619522049 is a deficient number, since it is larger than the sum of its proper divisors (509169023).

26619522049 is a wasteful number, since it uses less digits than its factorization.

26619522049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128087.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 26619522049 in words is "twenty-six billion, six hundred nineteen million, five hundred twenty-two thousand, forty-nine".