26103647398 has 16 divisors (see below), whose sum is σ = 39335984640. Its totient is φ = 12991699336.

The previous prime is 26103647389. The next prime is 26103647413. The reversal of 26103647398 is 89374630162.

It is a super-2 number, since 2×26103647398² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262661 + ... + 1283167.

It is an arithmetic number, because the mean of its divisors is an integer number (2458499040).

Almost surely, 2^26103647398 is an apocalyptic number.

26103647398 is a deficient number, since it is larger than the sum of its proper divisors (13232337242).

26103647398 is a wasteful number, since it uses less digits than its factorization.

26103647398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23411.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 26103647398 in words is "twenty-six billion, one hundred three million, six hundred forty-seven thousand, three hundred ninety-eight".