7439554413 has 12 divisors (see below), whose sum is σ = 10747598940. Its totient is φ = 4958975616.

The previous prime is 7439554393. The next prime is 7439554453. The reversal of 7439554413 is 3144559347.

7439554413 is a `hidden beast` number, since 7 + 4 + 3 + 95 + 544 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6645836484 + 793717929 = 81522^2 + 28173^2 .

It is not a de Polignac number, because 7439554413 - 2¹⁶ = 7439488877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7439554453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8293 + ... + 122261.

It is an arithmetic number, because the mean of its divisors is an integer number (895633245).

Almost surely, 2^7439554413 is an apocalyptic number.

It is an amenable number.

7439554413 is a deficient number, since it is larger than the sum of its proper divisors (3308044527).

7439554413 is a wasteful number, since it uses less digits than its factorization.

7439554413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121228 (or 121225 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 7439554413 is about 86252.8516224246. The cubic root of 7439554413 is about 1952.1610416670.

The spelling of 7439554413 in words is "seven billion, four hundred thirty-nine million, five hundred fifty-four thousand, four hundred thirteen".