1543416454652 has 12 divisors (see below), whose sum is σ = 2766856327536. Its totient is φ = 752886075360.

The previous prime is 1543416454651. The next prime is 1543416454691. The reversal of 1543416454652 is 2564546143451.

It is a happy number.

It is a super-2 number, since 2×1543416454652² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1543416454652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1543416454651) 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, 4705537808 + ... + 4705538135.

It is an arithmetic number, because the mean of its divisors is an integer number (230571360628).

Almost surely, 2^{1543416454652} is an apocalyptic number.

It is an amenable number.

1543416454652 is a deficient number, since it is larger than the sum of its proper divisors (1223439872884).

1543416454652 is a wasteful number, since it uses less digits than its factorization.

1543416454652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9411075988 (or 9411075986 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 50.

The spelling of 1543416454652 in words is "one trillion, five hundred forty-three billion, four hundred sixteen million, four hundred fifty-four thousand, six hundred fifty-two".