2551734946 has 4 divisors (see below), whose sum is σ = 3827602422. Its totient is φ = 1275867472.

The previous prime is 2551734943. The next prime is 2551734967. The reversal of 2551734946 is 6494371552.

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., 1771147225 + 780587721 = 42085^2 + 27939^2 .

It is a super-2 number, since 2×2551734946² = 13022702469275245832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2551734896 and 2551734905.

It is not an unprimeable number, because it can be changed into a prime (2551734943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637933735 + ... + 637933738.

Almost surely, 2^2551734946 is an apocalyptic number.

2551734946 is a deficient number, since it is larger than the sum of its proper divisors (1275867476).

2551734946 is a wasteful number, since it uses less digits than its factorization.

2551734946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275867475.

The product of its digits is 907200, while the sum is 46.

The square root of 2551734946 is about 50514.7002960524. The cubic root of 2551734946 is about 1366.5069781163.

The spelling of 2551734946 in words is "two billion, five hundred fifty-one million, seven hundred thirty-four thousand, nine hundred forty-six".