2147754505 has 16 divisors (see below), whose sum is σ = 2793251664. Its totient is φ = 1575924480.

The previous prime is 2147754481. The next prime is 2147754523. The reversal of 2147754505 is 5054577412.

It can be written as a sum of positive squares in 8 ways, for example, as 526564809 + 1621189696 = 22947^2 + 40264^2 .

It is not a de Polignac number, because 2147754505 - 2²³ = 2139365897 is a prime.

It is a super-2 number, since 2×2147754505² = 9225698827495590050, which contains 22 as substring.

It is a Duffinian 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, 95026 + ... + 115435.

It is an arithmetic number, because the mean of its divisors is an integer number (174578229).

Almost surely, 2^2147754505 is an apocalyptic number.

It is an amenable number.

2147754505 is a deficient number, since it is larger than the sum of its proper divisors (645497159).

2147754505 is a wasteful number, since it uses less digits than its factorization.

2147754505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210636.

The product of its (nonzero) digits is 196000, while the sum is 40.

The square root of 2147754505 is about 46343.8723565479. The cubic root of 2147754505 is about 1290.2133943796.

The spelling of 2147754505 in words is "two billion, one hundred forty-seven million, seven hundred fifty-four thousand, five hundred five".