91370904007426 has 8 divisors (see below), whose sum is σ = 137976197327100. Its totient is φ = 45378838231728.

The previous prime is 91370904007363. The next prime is 91370904007451. The reversal of 91370904007426 is 62470040907319.

It can be written as a sum of positive squares in 2 ways, for example, as 89191043698201 + 2179860309225 = 9444101^2 + 1476435^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153306885621 + ... + 153306886216.

Almost surely, 2^{91370904007426} is an apocalyptic number.

91370904007426 is a deficient number, since it is larger than the sum of its proper divisors (46605293319674).

91370904007426 is a wasteful number, since it uses less digits than its factorization.

91370904007426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306613771988.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 91370904007426 in words is "ninety-one trillion, three hundred seventy billion, nine hundred four million, seven thousand, four hundred twenty-six".