2053473138 has 24 divisors (see below), whose sum is σ = 4569441708. Its totient is φ = 665991072.

The previous prime is 2053473131. The next prime is 2053473157. The reversal of 2053473138 is 8313743502.

2053473138 is a `hidden beast` number, since 2 + 0 + 53 + 473 + 138 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1724159529 + 329313609 = 41523^2 + 18147^2 .

It is not an unprimeable number, because it can be changed into a prime (2053473131) 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, 1540981 + ... + 1542312.

Almost surely, 2^2053473138 is an apocalyptic number.

2053473138 is an abundant number, since it is smaller than the sum of its proper divisors (2515968570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2053473138 is a wasteful number, since it uses less digits than its factorization.

2053473138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083338 (or 3083335 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2053473138 is about 45315.2638522606. The cubic root of 2053473138 is about 1271.0510937975.

The spelling of 2053473138 in words is "two billion, fifty-three million, four hundred seventy-three thousand, one hundred thirty-eight".