102641534421 has 8 divisors (see below), whose sum is σ = 136872144480. Its totient is φ = 68419306992.

The previous prime is 102641534417. The next prime is 102641534449. The reversal of 102641534421 is 124435146201.

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 102641534421 - 2² = 102641534417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102641530421) 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, 2067030 + ... + 2116103.

It is an arithmetic number, because the mean of its divisors is an integer number (17109018060).

Almost surely, 2^102641534421 is an apocalyptic number.

It is an amenable number.

102641534421 is a deficient number, since it is larger than the sum of its proper divisors (34230610059).

102641534421 is an equidigital number, since it uses as much as digits as its factorization.

102641534421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191315.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 102641534421 in words is "one hundred two billion, six hundred forty-one million, five hundred thirty-four thousand, four hundred twenty-one".