695819020041 has 48 divisors (see below), whose sum is σ = 1031360662800. Its totient is φ = 451909877760.

The previous prime is 695819020003. The next prime is 695819020069. The reversal of 695819020041 is 140020918596.

695819020041 is a `hidden beast` number, since 6 + 9 + 581 + 9 + 0 + 20 + 0 + 41 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 109822646025 + 585996374016 = 331395^2 + 765504^2 .

It is a de Polignac number, because none of the positive numbers 2^k-695819020041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (695819028041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28863705 + ... + 28887801.

It is an arithmetic number, because the mean of its divisors is an integer number (21486680475).

Almost surely, 2^695819020041 is an apocalyptic number.

695819020041 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

695819020041 is a deficient number, since it is larger than the sum of its proper divisors (335541642759).

695819020041 is a wasteful number, since it uses less digits than its factorization.

695819020041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24666 (or 24663 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 695819020041 in words is "six hundred ninety-five billion, eight hundred nineteen million, twenty thousand, forty-one".