7151428643730 has 64 divisors (see below), whose sum is σ = 19617346437120. Its totient is φ = 1634445653184.

The previous prime is 7151428643713. The next prime is 7151428643743. The reversal of 7151428643730 is 373468241517.

It is a super-2 number, since 2×7151428643730² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335607 + ... + 3796773.

It is an arithmetic number, because the mean of its divisors is an integer number (306521038080).

Almost surely, 2^{7151428643730} is an apocalyptic number.

7151428643730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7151428643730 is an abundant number, since it is smaller than the sum of its proper divisors (12465917793390).

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

7151428643730 is a wasteful number, since it uses less digits than its factorization.

7151428643730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471023.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 7151428643730 in words is "seven trillion, one hundred fifty-one billion, four hundred twenty-eight million, six hundred forty-three thousand, seven hundred thirty".