7101388645 has 16 divisors (see below), whose sum is σ = 9350338032. Its totient is φ = 5145154560.

The previous prime is 7101388607. The next prime is 7101388661. The reversal of 7101388645 is 5468831017.

It can be written as a sum of positive squares in 8 ways, for example, as 99380961 + 7002007684 = 9969^2 + 83678^2 .

It is not a de Polignac number, because 7101388645 - 2⁷ = 7101388517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027236 + ... + 1034125.

It is an arithmetic number, because the mean of its divisors is an integer number (584396127).

Almost surely, 2^7101388645 is an apocalyptic number.

It is an amenable number.

7101388645 is a deficient number, since it is larger than the sum of its proper divisors (2248949387).

7101388645 is a wasteful number, since it uses less digits than its factorization.

7101388645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061432.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 7101388645 is about 84269.7374209746. The cubic root of 7101388645 is about 1922.1226384562.

The spelling of 7101388645 in words is "seven billion, one hundred one million, three hundred eighty-eight thousand, six hundred forty-five".