7213949413 has 8 divisors (see below), whose sum is σ = 7870694400. Its totient is φ = 6557359680.

The previous prime is 7213949401. The next prime is 7213949423. The reversal of 7213949413 is 3149493127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7213949413 - 2⁵ = 7213949381 is a prime.

It is a super-2 number, since 2×7213949413² (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 7213949413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7213949423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72156 + ... + 140122.

It is an arithmetic number, because the mean of its divisors is an integer number (983836800).

Almost surely, 2^7213949413 is an apocalyptic number.

It is an amenable number.

7213949413 is a deficient number, since it is larger than the sum of its proper divisors (656744987).

7213949413 is a wasteful number, since it uses less digits than its factorization.

7213949413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77627.

The product of its digits is 163296, while the sum is 43.

The square root of 7213949413 is about 84934.9716724507. The cubic root of 7213949413 is about 1932.2250027111.

The spelling of 7213949413 in words is "seven billion, two hundred thirteen million, nine hundred forty-nine thousand, four hundred thirteen".