2087945901 has 12 divisors (see below), whose sum is σ = 3016683228. Its totient is φ = 1391612544.

The previous prime is 2087945863. The next prime is 2087945941. The reversal of 2087945901 is 1095497802.

It can be written as a sum of positive squares in 2 ways, for example, as 1572201801 + 515744100 = 39651^2 + 22710^2 .

It is not a de Polignac number, because 2087945901 - 2¹⁰ = 2087944877 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087945941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11311 + ... + 65603.

It is an arithmetic number, because the mean of its divisors is an integer number (251390269).

Almost surely, 2^2087945901 is an apocalyptic number.

It is an amenable number.

2087945901 is a deficient number, since it is larger than the sum of its proper divisors (928737327).

2087945901 is a wasteful number, since it uses less digits than its factorization.

2087945901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58572 (or 58569 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 2087945901 is about 45694.0466691231. The cubic root of 2087945901 is about 1278.1242669763.

The spelling of 2087945901 in words is "two billion, eighty-seven million, nine hundred forty-five thousand, nine hundred one".