9146364641 has 4 divisors (see below), whose sum is σ = 9340968192. Its totient is φ = 8951761092.

The previous prime is 9146364637. The next prime is 9146364649. The reversal of 9146364641 is 1464636419.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1464636419 = 47 ⋅31162477.

It is a cyclic number.

It is not a de Polignac number, because 9146364641 - 2² = 9146364637 is a prime.

It is a super-2 number, since 2×9146364641² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9146364592 and 9146364601.

It is not an unprimeable number, because it can be changed into a prime (9146364649) 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, 97301705 + ... + 97301798.

It is an arithmetic number, because the mean of its divisors is an integer number (2335242048).

Almost surely, 2^9146364641 is an apocalyptic number.

It is an amenable number.

9146364641 is a deficient number, since it is larger than the sum of its proper divisors (194603551).

9146364641 is a wasteful number, since it uses less digits than its factorization.

9146364641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194603550.

The product of its digits is 373248, while the sum is 44.

The square root of 9146364641 is about 95636.6281348313. The cubic root of 9146364641 is about 2091.2991961118.

Multiplying 9146364641 by its sum of digits (44), we get a palindrome (402440044204).

The spelling of 9146364641 in words is "nine billion, one hundred forty-six million, three hundred sixty-four thousand, six hundred forty-one".