619917986253 has 64 divisors (see below), whose sum is σ = 870077417472. Its totient is φ = 392221589760.

The previous prime is 619917986213. The next prime is 619917986309. The reversal of 619917986253 is 352689719916.

It is not a de Polignac number, because 619917986253 - 2¹⁶ = 619917920717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (619917986213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 309493750 + ... + 309495752.

It is an arithmetic number, because the mean of its divisors is an integer number (13594959648).

Almost surely, 2^619917986253 is an apocalyptic number.

It is an amenable number.

619917986253 is a deficient number, since it is larger than the sum of its proper divisors (250159431219).

619917986253 is a wasteful number, since it uses less digits than its factorization.

619917986253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514.

The product of its digits is 44089920, while the sum is 66.

The spelling of 619917986253 in words is "six hundred nineteen billion, nine hundred seventeen million, nine hundred eighty-six thousand, two hundred fifty-three".