151643540463 has 4 divisors (see below), whose sum is σ = 202191387288. Its totient is φ = 101095693640.

The previous prime is 151643540387. The next prime is 151643540501. The reversal of 151643540463 is 364045346151.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151643540463 - 2²⁰ = 151642491887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151643540263) 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, 25273923408 + ... + 25273923413.

It is an arithmetic number, because the mean of its divisors is an integer number (50547846822).

Almost surely, 2^151643540463 is an apocalyptic number.

151643540463 is a deficient number, since it is larger than the sum of its proper divisors (50547846825).

151643540463 is an equidigital number, since it uses as much as digits as its factorization.

151643540463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50547846824.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 151643540463 in words is "one hundred fifty-one billion, six hundred forty-three million, five hundred forty thousand, four hundred sixty-three".