2150139469 has 4 divisors (see below), whose sum is σ = 2150868096. Its totient is φ = 2149410844.

The previous prime is 2150139461. The next prime is 2150139487. The reversal of 2150139469 is 9649310512.

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.

It is a cyclic number.

It is not a de Polignac number, because 2150139469 - 2³ = 2150139461 is a prime.

It is a super-2 number, since 2×2150139469² = 9246199472303203922, which 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 (2150139461) 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, 359869 + ... + 365794.

It is an arithmetic number, because the mean of its divisors is an integer number (537717024).

Almost surely, 2^2150139469 is an apocalyptic number.

It is an amenable number.

2150139469 is a deficient number, since it is larger than the sum of its proper divisors (728627).

2150139469 is an equidigital number, since it uses as much as digits as its factorization.

2150139469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728626.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 2150139469 is about 46369.5963859941. The cubic root of 2150139469 is about 1290.6907882041.

The spelling of 2150139469 in words is "two billion, one hundred fifty million, one hundred thirty-nine thousand, four hundred sixty-nine".