7149208858 has 16 divisors (see below), whose sum is σ = 11700124416. Its totient is φ = 3249246240.

The previous prime is 7149208819. The next prime is 7149208861. The reversal of 7149208858 is 8588029417.

It is a happy number.

It is a super-2 number, since 2×7149208858² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244510 + ... + 272182.

It is an arithmetic number, because the mean of its divisors is an integer number (731257776).

Almost surely, 2^7149208858 is an apocalyptic number.

7149208858 is a deficient number, since it is larger than the sum of its proper divisors (4550915558).

7149208858 is a wasteful number, since it uses less digits than its factorization.

7149208858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39429.

The product of its (nonzero) digits is 1290240, while the sum is 52.

The square root of 7149208858 is about 84552.9943763082. The cubic root of 7149208858 is about 1926.4274661366.

The spelling of 7149208858 in words is "seven billion, one hundred forty-nine million, two hundred eight thousand, eight hundred fifty-eight".