91301674342438 has 32 divisors (see below), whose sum is σ = 158717363871744. Its totient is φ = 38583017468352.

The previous prime is 91301674342409. The next prime is 91301674342441. The reversal of 91301674342438 is 83424347610319.

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, 157227895 + ... + 157807522.

It is an arithmetic number, because the mean of its divisors is an integer number (4959917620992).

Almost surely, 2^{91301674342438} is an apocalyptic number.

91301674342438 is a deficient number, since it is larger than the sum of its proper divisors (67415689529306).

91301674342438 is a wasteful number, since it uses less digits than its factorization.

91301674342438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315035716.

The product of its (nonzero) digits is 10450944, while the sum is 55.

The spelling of 91301674342438 in words is "ninety-one trillion, three hundred one billion, six hundred seventy-four million, three hundred forty-two thousand, four hundred thirty-eight".