2151953577 has 12 divisors (see below), whose sum is σ = 3243524544. Its totient is φ = 1372260120.

The previous prime is 2151953539. The next prime is 2151953591. The reversal of 2151953577 is 7753591512.

2151953577 is a `hidden beast` number, since 2 + 15 + 19 + 53 + 577 = 666.

It is not a de Polignac number, because 2151953577 - 2⁶ = 2151953513 is a prime.

It is a super-3 number, since 3×2151953577³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2151953977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5197749 + ... + 5198162.

It is an arithmetic number, because the mean of its divisors is an integer number (270293712).

Almost surely, 2^2151953577 is an apocalyptic number.

It is an amenable number.

2151953577 is a deficient number, since it is larger than the sum of its proper divisors (1091570967).

2151953577 is a wasteful number, since it uses less digits than its factorization.

2151953577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10395940 (or 10395937 counting only the distinct ones).

The product of its digits is 330750, while the sum is 45.

The square root of 2151953577 is about 46389.1536568625. The cubic root of 2151953577 is about 1291.0536785064.

The spelling of 2151953577 in words is "two billion, one hundred fifty-one million, nine hundred fifty-three thousand, five hundred seventy-seven".