1695056636449 has 4 divisors (see below), whose sum is σ = 1849152694320. Its totient is φ = 1540960578580.

The previous prime is 1695056636359. The next prime is 1695056636459. The reversal of 1695056636449 is 9446366505961.

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 1695056636449 - 2¹³ = 1695056628257 is a prime.

It is a super-4 number, since 4×1695056636449⁴ (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1695056636459) 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, 77048028919 + ... + 77048028940.

It is an arithmetic number, because the mean of its divisors is an integer number (462288173580).

Almost surely, 2^{1695056636449} is an apocalyptic number.

It is an amenable number.

1695056636449 is a deficient number, since it is larger than the sum of its proper divisors (154096057871).

1695056636449 is a wasteful number, since it uses less digits than its factorization.

1695056636449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154096057870.

The product of its (nonzero) digits is 125971200, while the sum is 64.

The spelling of 1695056636449 in words is "one trillion, six hundred ninety-five billion, fifty-six million, six hundred thirty-six thousand, four hundred forty-nine".