2514621988 has 6 divisors (see below), whose sum is σ = 4400588486. Its totient is φ = 1257310992.

The previous prime is 2514621979. The next prime is 2514622001. The reversal of 2514621988 is 8891264152.

It can be written as a sum of positive squares in only one way, i.e., 2468897344 + 45724644 = 49688^2 + 6762^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314327745 + ... + 314327752.

Almost surely, 2^2514621988 is an apocalyptic number.

It is an amenable number.

2514621988 is a deficient number, since it is larger than the sum of its proper divisors (1885966498).

2514621988 is a wasteful number, since it uses less digits than its factorization.

2514621988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628655501 (or 628655499 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The square root of 2514621988 is about 50146.0067004343. The cubic root of 2514621988 is about 1359.8496784547.

The spelling of 2514621988 in words is "two billion, five hundred fourteen million, six hundred twenty-one thousand, nine hundred eighty-eight".