60641471421 has 20 divisors (see below), whose sum is σ = 91143650752. Its totient is φ = 40179616488.

The previous prime is 60641471417. The next prime is 60641471437. The reversal of 60641471421 is 12417414606.

It is a happy number.

60641471421 is a `hidden beast` number, since 6 + 0 + 641 + 4 + 7 + 1 + 4 + 2 + 1 = 666.

It is not a de Polignac number, because 60641471421 - 2² = 60641471417 is a prime.

It is a super-2 number, since 2×60641471421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60641471021) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2283301 + ... + 2309706.

Almost surely, 2^60641471421 is an apocalyptic number.

It is an amenable number.

60641471421 is a deficient number, since it is larger than the sum of its proper divisors (30502179331).

60641471421 is a wasteful number, since it uses less digits than its factorization.

60641471421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593182 (or 4593173 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 60641471421 in words is "sixty billion, six hundred forty-one million, four hundred seventy-one thousand, four hundred twenty-one".