450851778541 has 32 divisors (see below), whose sum is σ = 465626050560. Its totient is φ = 436400395200.

The previous prime is 450851778539. The next prime is 450851778547. The reversal of 450851778541 is 145877158054.

It is a cyclic number.

It is not a de Polignac number, because 450851778541 - 2¹ = 450851778539 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 (450851778547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 714503296 + ... + 714503926.

It is an arithmetic number, because the mean of its divisors is an integer number (14550814080).

Almost surely, 2^450851778541 is an apocalyptic number.

It is an amenable number.

450851778541 is a deficient number, since it is larger than the sum of its proper divisors (14774272019).

450851778541 is a wasteful number, since it uses less digits than its factorization.

450851778541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465.

The product of its (nonzero) digits is 6272000, while the sum is 55.

The spelling of 450851778541 in words is "four hundred fifty billion, eight hundred fifty-one million, seven hundred seventy-eight thousand, five hundred forty-one".