2251645050417 has 16 divisors (see below), whose sum is σ = 3549391213440. Its totient is φ = 1242286924032.

The previous prime is 2251645050367. The next prime is 2251645050449. The reversal of 2251645050417 is 7140505461522.

It is not a de Polignac number, because 2251645050417 - 2⁶ = 2251645050353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2251645050497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848640648 + ... + 1848641865.

It is an arithmetic number, because the mean of its divisors is an integer number (221836950840).

Almost surely, 2^{2251645050417} is an apocalyptic number.

It is an amenable number.

2251645050417 is a deficient number, since it is larger than the sum of its proper divisors (1297746163023).

2251645050417 is a wasteful number, since it uses less digits than its factorization.

2251645050417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697282552.

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 2251645050417 in words is "two trillion, two hundred fifty-one billion, six hundred forty-five million, fifty thousand, four hundred seventeen".