614078090991 has 12 divisors (see below), whose sum is σ = 907629633768. Its totient is φ = 399864803184.

The previous prime is 614078090963. The next prime is 614078091001. The reversal of 614078090991 is 199090870416.

614078090991 is a `hidden beast` number, since 61 + 407 + 8 + 0 + 90 + 9 + 91 = 666.

It is not a de Polignac number, because 614078090991 - 2²⁹ = 613541220079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614078090921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 793382160 + ... + 793382933.

It is an arithmetic number, because the mean of its divisors is an integer number (75635802814).

Almost surely, 2^614078090991 is an apocalyptic number.

614078090991 is a deficient number, since it is larger than the sum of its proper divisors (293551542777).

614078090991 is a wasteful number, since it uses less digits than its factorization.

614078090991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586765142 (or 1586765139 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The spelling of 614078090991 in words is "six hundred fourteen billion, seventy-eight million, ninety thousand, nine hundred ninety-one".