94396451081 has 4 divisors (see below), whose sum is σ = 94397705472. Its totient is φ = 94395196692.

The previous prime is 94396451077. The next prime is 94396451153. The reversal of 94396451081 is 18015469349.

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 a cyclic number.

It is not a de Polignac number, because 94396451081 - 2² = 94396451077 is a prime.

It is a super-2 number, since 2×94396451081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94396451041) 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, 506585 + ... + 667398.

It is an arithmetic number, because the mean of its divisors is an integer number (23599426368).

Almost surely, 2^94396451081 is an apocalyptic number.

It is an amenable number.

94396451081 is a deficient number, since it is larger than the sum of its proper divisors (1254391).

94396451081 is a wasteful number, since it uses less digits than its factorization.

94396451081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254390.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 94396451081 in words is "ninety-four billion, three hundred ninety-six million, four hundred fifty-one thousand, eighty-one".