26949957598 has 32 divisors (see below), whose sum is σ = 41562398592. Its totient is φ = 13101004800.

The previous prime is 26949957493. The next prime is 26949957667. The reversal of 26949957598 is 89575994962.

It is a self number, because there is not a number n which added to its sum of digits gives 26949957598.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5541688 + ... + 5546548.

It is an arithmetic number, because the mean of its divisors is an integer number (1298824956).

Almost surely, 2^26949957598 is an apocalyptic number.

26949957598 is a deficient number, since it is larger than the sum of its proper divisors (14612440994).

26949957598 is a wasteful number, since it uses less digits than its factorization.

26949957598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380.

The product of its digits is 440899200, while the sum is 73.

The spelling of 26949957598 in words is "twenty-six billion, nine hundred forty-nine million, nine hundred fifty-seven thousand, five hundred ninety-eight".