91902789346 has 8 divisors (see below), whose sum is σ = 138040727760. Its totient is φ = 45889213428.

The previous prime is 91902789343. The next prime is 91902789367. The reversal of 91902789346 is 64398720919.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×91902789346² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (91902789343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31088776 + ... + 31091731.

It is an arithmetic number, because the mean of its divisors is an integer number (17255090970).

Almost surely, 2^91902789346 is an apocalyptic number.

91902789346 is a deficient number, since it is larger than the sum of its proper divisors (46137938414).

91902789346 is a wasteful number, since it uses less digits than its factorization.

91902789346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62181248.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 91902789346 in words is "ninety-one billion, nine hundred two million, seven hundred eighty-nine thousand, three hundred forty-six".