2534551990 has 16 divisors (see below), whose sum is σ = 4579949952. Its totient is φ = 1009874944.

The previous prime is 2534551979. The next prime is 2534551997. The reversal of 2534551990 is 991554352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2534551997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490534 + ... + 495673.

It is an arithmetic number, because the mean of its divisors is an integer number (286246872).

Almost surely, 2^2534551990 is an apocalyptic number.

2534551990 is a deficient number, since it is larger than the sum of its proper divisors (2045397962).

2534551990 is a wasteful number, since it uses less digits than its factorization.

2534551990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986471.

The product of its (nonzero) digits is 243000, while the sum is 43.

The square root of 2534551990 is about 50344.3342393163. The cubic root of 2534551990 is about 1363.4327909832.

The spelling of 2534551990 in words is "two billion, five hundred thirty-four million, five hundred fifty-one thousand, nine hundred ninety".