420360265464541 has 4 divisors (see below), whose sum is σ = 438636798745632. Its totient is φ = 402083732183452.

The previous prime is 420360265464533. The next prime is 420360265464673. The reversal of 420360265464541 is 145464562063024.

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 420360265464541 - 2³ = 420360265464533 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 (420360265444541) 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, 9138266640511 + ... + 9138266640556.

It is an arithmetic number, because the mean of its divisors is an integer number (109659199686408).

Almost surely, 2^{420360265464541} is an apocalyptic number.

It is an amenable number.

420360265464541 is a deficient number, since it is larger than the sum of its proper divisors (18276533281091).

420360265464541 is a wasteful number, since it uses less digits than its factorization.

420360265464541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18276533281090.

The product of its (nonzero) digits is 16588800, while the sum is 52.

The spelling of 420360265464541 in words is "four hundred twenty trillion, three hundred sixty billion, two hundred sixty-five million, four hundred sixty-four thousand, five hundred forty-one".