91870653395426 has 16 divisors (see below), whose sum is σ = 137818964427840. Its totient is φ = 45930998823600.

The previous prime is 91870653395387. The next prime is 91870653395429. The reversal of 91870653395426 is 62459335607819.

It is a super-4 number, since 4×91870653395426⁴ (a number of 57 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (91870653395429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1623214160 + ... + 1623270756.

It is an arithmetic number, because the mean of its divisors is an integer number (8613685276740).

It is a 2-persistent number, because it is pandigital, and so is 2⋅91870653395426 = 183741306790852, but 3⋅91870653395426 = 275611960186278 is not.

Almost surely, 2^{91870653395426} is an apocalyptic number.

91870653395426 is a deficient number, since it is larger than the sum of its proper divisors (45948311032414).

91870653395426 is a wasteful number, since it uses less digits than its factorization.

91870653395426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118729.

The product of its (nonzero) digits is 293932800, while the sum is 68.

The spelling of 91870653395426 in words is "ninety-one trillion, eight hundred seventy billion, six hundred fifty-three million, three hundred ninety-five thousand, four hundred twenty-six".