7481434949 has 4 divisors (see below), whose sum is σ = 7640614464. Its totient is φ = 7322255436.

The previous prime is 7481434931. The next prime is 7481434967. The reversal of 7481434949 is 9494341847.

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 an interprime number because it is at equal distance from previous prime (7481434931) and next prime (7481434967).

It is a cyclic number.

It is not a de Polignac number, because 7481434949 - 2²⁰ = 7480386373 is a prime.

It is a super-2 number, since 2×7481434949² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7481434949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7481437949) 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, 79589687 + ... + 79589780.

It is an arithmetic number, because the mean of its divisors is an integer number (1910153616).

Almost surely, 2^7481434949 is an apocalyptic number.

It is an amenable number.

7481434949 is a deficient number, since it is larger than the sum of its proper divisors (159179515).

7481434949 is a wasteful number, since it uses less digits than its factorization.

7481434949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159179514.

The product of its digits is 3483648, while the sum is 53.

The square root of 7481434949 is about 86495.2885942350. The cubic root of 7481434949 is about 1955.8173812727.

The spelling of 7481434949 in words is "seven billion, four hundred eighty-one million, four hundred thirty-four thousand, nine hundred forty-nine".