150954994639 has 4 divisors (see below), whose sum is σ = 159834700224. Its totient is φ = 142075289056.

The previous prime is 150954994637. The next prime is 150954994649. The reversal of 150954994639 is 936499459051.

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 150954994639 - 2¹ = 150954994637 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 (150954994633) 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, 4439852767 + ... + 4439852800.

It is an arithmetic number, because the mean of its divisors is an integer number (39958675056).

Almost surely, 2^150954994639 is an apocalyptic number.

150954994639 is a deficient number, since it is larger than the sum of its proper divisors (8879705585).

150954994639 is an equidigital number, since it uses as much as digits as its factorization.

150954994639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8879705584.

The product of its (nonzero) digits is 47239200, while the sum is 64.

The spelling of 150954994639 in words is "one hundred fifty billion, nine hundred fifty-four million, nine hundred ninety-four thousand, six hundred thirty-nine".