6341294901981 has 8 divisors (see below), whose sum is σ = 9105449090080. Its totient is φ = 3902335324272.

The previous prime is 6341294901973. The next prime is 6341294902057. The reversal of 6341294901981 is 1891094921436.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6341294901981 - 2³ = 6341294901973 is a prime.

It is a super-2 number, since 2×6341294901981² (a number of 26 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 (6341294901181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81298652551 + ... + 81298652628.

It is an arithmetic number, because the mean of its divisors is an integer number (1138181136260).

Almost surely, 2^{6341294901981} is an apocalyptic number.

It is an amenable number.

6341294901981 is a deficient number, since it is larger than the sum of its proper divisors (2764154188099).

6341294901981 is a wasteful number, since it uses less digits than its factorization.

6341294901981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162597305195.

The product of its (nonzero) digits is 3359232, while the sum is 57.

The spelling of 6341294901981 in words is "six trillion, three hundred forty-one billion, two hundred ninety-four million, nine hundred one thousand, nine hundred eighty-one".