85346815449 has 32 divisors (see below), whose sum is σ = 134395822080. Its totient is φ = 47144260800.

The previous prime is 85346815439. The next prime is 85346815459. The reversal of 85346815449 is 94451864358.

It is an interprime number because it is at equal distance from previous prime (85346815439) and next prime (85346815459).

It is not a de Polignac number, because 85346815449 - 2¹³ = 85346807257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85346815409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 521107 + ... + 665015.

It is an arithmetic number, because the mean of its divisors is an integer number (4199869440).

Almost surely, 2^85346815449 is an apocalyptic number.

It is an amenable number.

85346815449 is a deficient number, since it is larger than the sum of its proper divisors (49049006631).

85346815449 is a wasteful number, since it uses less digits than its factorization.

85346815449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144861.

The product of its digits is 16588800, while the sum is 57.

The spelling of 85346815449 in words is "eighty-five billion, three hundred forty-six million, eight hundred fifteen thousand, four hundred forty-nine".