2146965739 has 4 divisors (see below), whose sum is σ = 2147136856. Its totient is φ = 2146794624.

The previous prime is 2146965679. The next prime is 2146965763. The reversal of 2146965739 is 9375696412.

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 2146965739 - 2¹⁵ = 2146932971 is a prime.

It is a super-2 number, since 2×2146965739² = 9218923768879632242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2146965239) 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, 65109 + ... + 92374.

It is an arithmetic number, because the mean of its divisors is an integer number (536784214).

Almost surely, 2^2146965739 is an apocalyptic number.

2146965739 is a deficient number, since it is larger than the sum of its proper divisors (171117).

2146965739 is a wasteful number, since it uses less digits than its factorization.

2146965739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171116.

The product of its digits is 2449440, while the sum is 52.

The square root of 2146965739 is about 46335.3616474502. The cubic root of 2146965739 is about 1290.0554307852.

The spelling of 2146965739 in words is "two billion, one hundred forty-six million, nine hundred sixty-five thousand, seven hundred thirty-nine".