420193006549 has 8 divisors (see below), whose sum is σ = 421225136640. Its totient is φ = 419161016736.

The previous prime is 420193006547. The next prime is 420193006567. The reversal of 420193006549 is 945600391024.

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 420193006549 - 2¹ = 420193006547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420193006547) 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, 8475537 + ... + 8524969.

It is an arithmetic number, because the mean of its divisors is an integer number (52653142080).

Almost surely, 2^420193006549 is an apocalyptic number.

It is an amenable number.

420193006549 is a deficient number, since it is larger than the sum of its proper divisors (1032130091).

420193006549 is a wasteful number, since it uses less digits than its factorization.

420193006549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70139.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 420193006549 in words is "four hundred twenty billion, one hundred ninety-three million, six thousand, five hundred forty-nine".