695138147477 has 4 divisors (see below), whose sum is σ = 705513343776. Its totient is φ = 684762951180.

The previous prime is 695138147467. The next prime is 695138147519. The reversal of 695138147477 is 774741831596.

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 695138147477 - 2⁶ = 695138147413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695138147467) 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, 5187598049 + ... + 5187598182.

It is an arithmetic number, because the mean of its divisors is an integer number (176378335944).

Almost surely, 2^695138147477 is an apocalyptic number.

695138147477 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

695138147477 is a deficient number, since it is larger than the sum of its proper divisors (10375196299).

695138147477 is a wasteful number, since it uses less digits than its factorization.

695138147477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10375196298.

The product of its digits is 35562240, while the sum is 62.

The spelling of 695138147477 in words is "six hundred ninety-five billion, one hundred thirty-eight million, one hundred forty-seven thousand, four hundred seventy-seven".