3477661722481 has 16 divisors (see below), whose sum is σ = 3719660166400. Its totient is φ = 3241674163728.

The previous prime is 3477661722467. The next prime is 3477661722487. The reversal of 3477661722481 is 1842271667743.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3477661722481 is a prime.

It is a super-2 number, since 2×3477661722481² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3477661722487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496635 + ... + 2683648.

It is an arithmetic number, because the mean of its divisors is an integer number (232478760400).

Almost surely, 2^{3477661722481} is an apocalyptic number.

It is an amenable number.

3477661722481 is a deficient number, since it is larger than the sum of its proper divisors (241998443919).

3477661722481 is a wasteful number, since it uses less digits than its factorization.

3477661722481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181228.

The product of its digits is 18966528, while the sum is 58.

The spelling of 3477661722481 in words is "three trillion, four hundred seventy-seven billion, six hundred sixty-one million, seven hundred twenty-two thousand, four hundred eighty-one".