9249561941 has 4 divisors (see below), whose sum is σ = 9651716832. Its totient is φ = 8847407052.

The previous prime is 9249561917. The next prime is 9249561967. The reversal of 9249561941 is 1491659429.

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.

It is a cyclic number.

It is not a de Polignac number, because 9249561941 - 2⁶ = 9249561877 is a prime.

It is a super-2 number, since 2×9249561941² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9249561941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9249561901) 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, 201077411 + ... + 201077456.

It is an arithmetic number, because the mean of its divisors is an integer number (2412929208).

Almost surely, 2^9249561941 is an apocalyptic number.

It is an amenable number.

9249561941 is a deficient number, since it is larger than the sum of its proper divisors (402154891).

9249561941 is a wasteful number, since it uses less digits than its factorization.

9249561941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402154890.

The product of its digits is 699840, while the sum is 50.

The square root of 9249561941 is about 96174.6429210943. The cubic root of 9249561941 is about 2099.1350891006.

The spelling of 9249561941 in words is "nine billion, two hundred forty-nine million, five hundred sixty-one thousand, nine hundred forty-one".