150868326621 has 4 divisors (see below), whose sum is σ = 201157768832. Its totient is φ = 100578884412.

The previous prime is 150868326613. The next prime is 150868326629. The reversal of 150868326621 is 126623868051.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 126623868051 = 3 ⋅42207956017.

It is an interprime number because it is at equal distance from previous prime (150868326613) and next prime (150868326629).

It is not a de Polignac number, because 150868326621 - 2³ = 150868326613 is a prime.

It is a super-2 number, since 2×150868326621² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150868326629) 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, 25144721101 + ... + 25144721106.

It is an arithmetic number, because the mean of its divisors is an integer number (50289442208).

Almost surely, 2^150868326621 is an apocalyptic number.

It is an amenable number.

150868326621 is a deficient number, since it is larger than the sum of its proper divisors (50289442211).

150868326621 is an equidigital number, since it uses as much as digits as its factorization.

150868326621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50289442210.

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 150868326621 in words is "one hundred fifty billion, eight hundred sixty-eight million, three hundred twenty-six thousand, six hundred twenty-one".