6419248561 has 12 divisors (see below), whose sum is σ = 7061555200. Its totient is φ = 5830977240.

The previous prime is 6419248519. The next prime is 6419248567. The reversal of 6419248561 is 1658429146.

It is a happy number.

It is not a de Polignac number, because 6419248561 - 2²⁷ = 6285030833 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6419248567) 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, 134020 + ... + 175498.

Almost surely, 2^6419248561 is an apocalyptic number.

It is an amenable number.

6419248561 is a deficient number, since it is larger than the sum of its proper divisors (642306639).

6419248561 is a wasteful number, since it uses less digits than its factorization.

6419248561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42780 (or 42769 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 6419248561 is about 80120.2131861867. The cubic root of 6419248561 is about 1858.4950018886.

The spelling of 6419248561 in words is "six billion, four hundred nineteen million, two hundred forty-eight thousand, five hundred sixty-one".