90946140001 has 4 divisors (see below), whose sum is σ = 91407795732. Its totient is φ = 90484484272.

The previous prime is 90946139983. The next prime is 90946140007. The reversal of 90946140001 is 10004164909.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83377140001 + 7569000000 = 288751^2 + 87000^2 .

It is a cyclic number.

It is not a de Polignac number, because 90946140001 - 2⁷ = 90946139873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90946140007) 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, 230827570 + ... + 230827963.

It is an arithmetic number, because the mean of its divisors is an integer number (22851948933).

Almost surely, 2^90946140001 is an apocalyptic number.

It is an amenable number.

90946140001 is a deficient number, since it is larger than the sum of its proper divisors (461655731).

90946140001 is a wasteful number, since it uses less digits than its factorization.

90946140001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461655730.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 90946140001 in words is "ninety billion, nine hundred forty-six million, one hundred forty thousand, one".