340954535454591 has 16 divisors (see below), whose sum is σ = 473826785269760. Its totient is φ = 217835030475360.

The previous prime is 340954535454587. The next prime is 340954535454679. The reversal of 340954535454591 is 195454535459043.

It is not a de Polignac number, because 340954535454591 - 2² = 340954535454587 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340954535454521) 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, 17796970036 + ... + 17796989193.

It is an arithmetic number, because the mean of its divisors is an integer number (29614174079360).

Almost surely, 2^{340954535454591} is an apocalyptic number.

340954535454591 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

340954535454591 is a deficient number, since it is larger than the sum of its proper divisors (132872249815169).

340954535454591 is a wasteful number, since it uses less digits than its factorization.

340954535454591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35593959366.

The product of its (nonzero) digits is 583200000, while the sum is 66.

The spelling of 340954535454591 in words is "three hundred forty trillion, nine hundred fifty-four billion, five hundred thirty-five million, four hundred fifty-four thousand, five hundred ninety-one".