7430138649570 has 64 divisors (see below), whose sum is σ = 21947486480640. Its totient is φ = 1567677604608.

The previous prime is 7430138649487. The next prime is 7430138649581. The reversal of 7430138649570 is 759468310347.

It is a super-2 number, since 2×7430138649570² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7430138649570.

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, 1360828525 + ... + 1360833984.

It is an arithmetic number, because the mean of its divisors is an integer number (342929476260).

Almost surely, 2^{7430138649570} is an apocalyptic number.

7430138649570 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7430138649570 is an abundant number, since it is smaller than the sum of its proper divisors (14517347831070).

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

7430138649570 is a wasteful number, since it uses less digits than its factorization.

7430138649570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721662539.

The product of its (nonzero) digits is 15240960, while the sum is 57.

It can be divided in two parts, 7430138 and 649570, that added together give a palindrome (8079708).

The spelling of 7430138649570 in words is "seven trillion, four hundred thirty billion, one hundred thirty-eight million, six hundred forty-nine thousand, five hundred seventy".