1495995709 has 4 divisors (see below), whose sum is σ = 1611072316. Its totient is φ = 1380919104.

The previous prime is 1495995673. The next prime is 1495995727. The reversal of 1495995709 is 9075995941.

It is a happy number.

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 784280025 + 711715684 = 28005^2 + 26678^2 .

It is a cyclic number.

It is not a de Polignac number, because 1495995709 - 2⁹ = 1495995197 is a prime.

It is a super-2 number, since 2×1495995709² = 4476006322692825362, 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 (1495995779) 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, 57538284 + ... + 57538309.

It is an arithmetic number, because the mean of its divisors is an integer number (402768079).

Almost surely, 2^1495995709 is an apocalyptic number.

It is an amenable number.

1495995709 is a deficient number, since it is larger than the sum of its proper divisors (115076607).

1495995709 is a wasteful number, since it uses less digits than its factorization.

1495995709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115076606.

The product of its (nonzero) digits is 4592700, while the sum is 58.

The square root of 1495995709 is about 38678.1037410057. The cubic root of 1495995709 is about 1143.6947194797.

The spelling of 1495995709 in words is "one billion, four hundred ninety-five million, nine hundred ninety-five thousand, seven hundred nine".