41954099929 has 27 divisors (see below), whose sum is σ = 50594810877. Its totient is φ = 34686223488.

The previous prime is 41954099921. The next prime is 41954099939. The reversal of 41954099929 is 92999045914.

The square root of 41954099929 is 204827.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1255072329 + 40699027600 = 35427^2 + 201740^2 .

It is not a de Polignac number, because 41954099929 - 2³ = 41954099921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41954099921) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41579377 + ... + 41580385.

Almost surely, 2^41954099929 is an apocalyptic number.

41954099929 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

41954099929 is the 204827-th square number.

41954099929 is the 102414-th centered octagonal number.

It is an amenable number.

41954099929 is a deficient number, since it is larger than the sum of its proper divisors (8640710948).

41954099929 is an frugal number, since it uses more digits than its factorization.

41954099929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 9447840, while the sum is 61.

The spelling of 41954099929 in words is "forty-one billion, nine hundred fifty-four million, ninety-nine thousand, nine hundred twenty-nine".