85464001641 has 4 divisors (see below), whose sum is σ = 113952002192. Its totient is φ = 56976001092.

The previous prime is 85464001633. The next prime is 85464001697. The reversal of 85464001641 is 14610046458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 85464001641 - 2³ = 85464001633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85464001641.

It is not an unprimeable number, because it can be changed into a prime (85464001741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14244000271 + ... + 14244000276.

It is an arithmetic number, because the mean of its divisors is an integer number (28488000548).

Almost surely, 2^85464001641 is an apocalyptic number.

It is an amenable number.

85464001641 is a deficient number, since it is larger than the sum of its proper divisors (28488000551).

85464001641 is a wasteful number, since it uses less digits than its factorization.

85464001641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28488000550.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 85464001641 in words is "eighty-five billion, four hundred sixty-four million, one thousand, six hundred forty-one".