2090618249 has 8 divisors (see below), whose sum is σ = 2146314408. Its totient is φ = 2035146240.

The previous prime is 2090618171. The next prime is 2090618287. The reversal of 2090618249 is 9428160902.

It can be written as a sum of positive squares in 4 ways, for example, as 78198649 + 2012419600 = 8843^2 + 44860^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2090618249 - 2¹² = 2090614153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2090614249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37052 + ... + 74525.

It is an arithmetic number, because the mean of its divisors is an integer number (268289301).

Almost surely, 2^2090618249 is an apocalyptic number.

It is an amenable number.

2090618249 is a deficient number, since it is larger than the sum of its proper divisors (55696159).

2090618249 is a wasteful number, since it uses less digits than its factorization.

2090618249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112075.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 2090618249 is about 45723.2790709503. The cubic root of 2090618249 is about 1278.6693220731.

The spelling of 2090618249 in words is "two billion, ninety million, six hundred eighteen thousand, two hundred forty-nine".