7213929126 has 16 divisors (see below), whose sum is σ = 14431330224. Its totient is φ = 2404064384.

The previous prime is 7213929119. The next prime is 7213929127. The reversal of 7213929126 is 6219293127.

It is a super-2 number, since 2×7213929126² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7213929127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117255 + ... + 167858.

It is an arithmetic number, because the mean of its divisors is an integer number (901958139).

Almost surely, 2^7213929126 is an apocalyptic number.

7213929126 is an abundant number, since it is smaller than the sum of its proper divisors (7217401098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7213929126 is a wasteful number, since it uses less digits than its factorization.

7213929126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289335.

The product of its digits is 81648, while the sum is 42.

The square root of 7213929126 is about 84934.8522457065. The cubic root of 7213929126 is about 1932.2231914478.

The spelling of 7213929126 in words is "seven billion, two hundred thirteen million, nine hundred twenty-nine thousand, one hundred twenty-six".