7451469890 has 32 divisors (see below), whose sum is σ = 13614036336. Its totient is φ = 2935941120.

The previous prime is 7451469877. The next prime is 7451469901. The reversal of 7451469890 is 989641547.

It can be written as a sum of positive squares in 8 ways, for example, as 1254788929 + 6196680961 = 35423^2 + 78719^2 .

It is a super-2 number, since 2×7451469890² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593114 + ... + 605546.

Almost surely, 2^7451469890 is an apocalyptic number.

7451469890 is a deficient number, since it is larger than the sum of its proper divisors (6162566446).

7451469890 is a wasteful number, since it uses less digits than its factorization.

7451469890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13334.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 7451469890 is about 86321.8969323543. The cubic root of 7451469890 is about 1953.2027045232.

The spelling of 7451469890 in words is "seven billion, four hundred fifty-one million, four hundred sixty-nine thousand, eight hundred ninety".