26143686696950 has 48 divisors (see below), whose sum is σ = 51670914818544. Its totient is φ = 9807302937600.

The previous prime is 26143686696949. The next prime is 26143686696989. The reversal of 26143686696950 is 5969668634162.

It is a super-2 number, since 2×26143686696950² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54489404 + ... + 54967103.

It is an arithmetic number, because the mean of its divisors is an integer number (1076477392053).

Almost surely, 2^{26143686696950} is an apocalyptic number.

26143686696950 is a deficient number, since it is larger than the sum of its proper divisors (25527228121594).

26143686696950 is a wasteful number, since it uses less digits than its factorization.

26143686696950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109456817 (or 109456812 counting only the distinct ones).

The product of its (nonzero) digits is 604661760, while the sum is 71.

The spelling of 26143686696950 in words is "twenty-six trillion, one hundred forty-three billion, six hundred eighty-six million, six hundred ninety-six thousand, nine hundred fifty".