1591099404692 has 12 divisors (see below), whose sum is σ = 3182198809440. Its totient is φ = 681899744856.

The previous prime is 1591099404679. The next prime is 1591099404709. The reversal of 1591099404692 is 2964049901951.

1591099404692 is an admirable number.

It is a super-2 number, since 2×1591099404692² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 28412489342 + ... + 28412489397.

It is an arithmetic number, because the mean of its divisors is an integer number (265183234120).

Almost surely, 2^{1591099404692} is an apocalyptic number.

It is an amenable number.

1591099404692 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1591099404692 is a wasteful number, since it uses less digits than its factorization.

1591099404692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56824978750 (or 56824978748 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 59.

The spelling of 1591099404692 in words is "one trillion, five hundred ninety-one billion, ninety-nine million, four hundred four thousand, six hundred ninety-two".