641415514107 has 4 divisors (see below), whose sum is σ = 855220685480. Its totient is φ = 427610342736.

The previous prime is 641415514079. The next prime is 641415514133. The reversal of 641415514107 is 701415514146.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 641415514107 - 2¹⁶ = 641415448571 is a prime.

It is a super-2 number, since 2×641415514107² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641415514007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106902585682 + ... + 106902585687.

It is an arithmetic number, because the mean of its divisors is an integer number (213805171370).

Almost surely, 2^641415514107 is an apocalyptic number.

641415514107 is a deficient number, since it is larger than the sum of its proper divisors (213805171373).

641415514107 is a wasteful number, since it uses less digits than its factorization.

641415514107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213805171372.

The product of its (nonzero) digits is 67200, while the sum is 39.

Adding to 641415514107 its sum of digits (39), we get a palindrome (641415514146).

The spelling of 641415514107 in words is "six hundred forty-one billion, four hundred fifteen million, five hundred fourteen thousand, one hundred seven".