2621370249 has 16 divisors (see below), whose sum is σ = 3893510400. Its totient is φ = 1743080688.

The previous prime is 2621370247. The next prime is 2621370251. The reversal of 2621370249 is 9420731262.

2621370249 is a `hidden beast` number, since 2 + 621 + 3 + 7 + 0 + 24 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (2621370247) and next prime (2621370251).

It is not a de Polignac number, because 2621370249 - 2¹ = 2621370247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2621370247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114289 + ... + 135294.

It is an arithmetic number, because the mean of its divisors is an integer number (243344400).

Almost surely, 2^2621370249 is an apocalyptic number.

It is an amenable number.

2621370249 is a deficient number, since it is larger than the sum of its proper divisors (1272140151).

2621370249 is a wasteful number, since it uses less digits than its factorization.

2621370249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249981 (or 249975 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 2621370249 is about 51199.3188333595. The cubic root of 2621370249 is about 1378.8259721846.

The spelling of 2621370249 in words is "two billion, six hundred twenty-one million, three hundred seventy thousand, two hundred forty-nine".