150377635621 has 4 divisors (see below), whose sum is σ = 150566316012. Its totient is φ = 150188955232.

The previous prime is 150377635589. The next prime is 150377635649. The reversal of 150377635621 is 126536773051.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22145606596 + 128232029025 = 148814^2 + 358095^2 .

It is a cyclic number.

It is not a de Polignac number, because 150377635621 - 2⁵ = 150377635589 is a prime.

It is a super-2 number, since 2×150377635621² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150377635691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94339000 + ... + 94340593.

It is an arithmetic number, because the mean of its divisors is an integer number (37641579003).

Almost surely, 2^150377635621 is an apocalyptic number.

It is an amenable number.

150377635621 is a deficient number, since it is larger than the sum of its proper divisors (188680391).

150377635621 is an equidigital number, since it uses as much as digits as its factorization.

150377635621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188680390.

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 150377635621 in words is "one hundred fifty billion, three hundred seventy-seven million, six hundred thirty-five thousand, six hundred twenty-one".