420450553302513 has 4 divisors (see below), whose sum is σ = 560600737736688. Its totient is φ = 280300368868340.

The previous prime is 420450553302487. The next prime is 420450553302529. The reversal of 420450553302513 is 315203355054024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420450553302513 - 2²⁸ = 420450284867057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420450553302713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70075092217083 + ... + 70075092217088.

It is an arithmetic number, because the mean of its divisors is an integer number (140150184434172).

Almost surely, 2^{420450553302513} is an apocalyptic number.

It is an amenable number.

420450553302513 is a deficient number, since it is larger than the sum of its proper divisors (140150184434175).

420450553302513 is a wasteful number, since it uses less digits than its factorization.

420450553302513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140150184434174.

The product of its (nonzero) digits is 1080000, while the sum is 42.

The spelling of 420450553302513 in words is "four hundred twenty trillion, four hundred fifty billion, five hundred fifty-three million, three hundred two thousand, five hundred thirteen".