2904541697421 has 64 divisors (see below), whose sum is σ = 5526292746240. Its totient is φ = 1465454358720.

The previous prime is 2904541697399. The next prime is 2904541697429. The reversal of 2904541697421 is 1247961454092.

2904541697421 is a `hidden beast` number, since 2 + 9 + 0 + 4 + 54 + 169 + 7 + 421 = 666.

It is not a de Polignac number, because 2904541697421 - 2⁵ = 2904541697389 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2904541697429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25642395 + ... + 25755416.

It is an arithmetic number, because the mean of its divisors is an integer number (86348324160).

Almost surely, 2^{2904541697421} is an apocalyptic number.

2904541697421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2904541697421 is a deficient number, since it is larger than the sum of its proper divisors (2621751048819).

2904541697421 is a wasteful number, since it uses less digits than its factorization.

2904541697421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51397863 (or 51397857 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 2904541697421 in words is "two trillion, nine hundred four billion, five hundred forty-one million, six hundred ninety-seven thousand, four hundred twenty-one".