91473451707 has 16 divisors (see below), whose sum is σ = 133094142720. Its totient is φ = 55421018400.

The previous prime is 91473451681. The next prime is 91473451723. The reversal of 91473451707 is 70715437419.

It is not a de Polignac number, because 91473451707 - 2¹⁰ = 91473450683 is a prime.

It is a super-2 number, since 2×91473451707² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (91473451757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329032 + ... + 539637.

It is an arithmetic number, because the mean of its divisors is an integer number (8318383920).

Almost surely, 2^91473451707 is an apocalyptic number.

91473451707 is a deficient number, since it is larger than the sum of its proper divisors (41620691013).

91473451707 is a wasteful number, since it uses less digits than its factorization.

91473451707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871874.

The product of its (nonzero) digits is 740880, while the sum is 48.

The spelling of 91473451707 in words is "ninety-one billion, four hundred seventy-three million, four hundred fifty-one thousand, seven hundred seven".