2453651138 has 4 divisors (see below), whose sum is σ = 3680476710. Its totient is φ = 1226825568.

The previous prime is 2453651087. The next prime is 2453651173. The reversal of 2453651138 is 8311563542.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2445994849 + 7656289 = 49457^2 + 2767^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613412783 + ... + 613412786.

Almost surely, 2^2453651138 is an apocalyptic number.

2453651138 is a deficient number, since it is larger than the sum of its proper divisors (1226825572).

2453651138 is a wasteful number, since it uses less digits than its factorization.

2453651138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226825571.

The product of its digits is 86400, while the sum is 38.

The square root of 2453651138 is about 49534.3430157300. The cubic root of 2453651138 is about 1348.7690907284.

The spelling of 2453651138 in words is "two billion, four hundred fifty-three million, six hundred fifty-one thousand, one hundred thirty-eight".