2631142916 has 6 divisors (see below), whose sum is σ = 4604500110. Its totient is φ = 1315571456.

The previous prime is 2631142909. The next prime is 2631142919. The reversal of 2631142916 is 6192411362.

It can be written as a sum of positive squares in only one way, i.e., 2525464516 + 105678400 = 50254^2 + 10280^2 .

It is not an unprimeable number, because it can be changed into a prime (2631142919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328892861 + ... + 328892868.

It is an arithmetic number, because the mean of its divisors is an integer number (767416685).

Almost surely, 2^2631142916 is an apocalyptic number.

It is an amenable number.

2631142916 is a deficient number, since it is larger than the sum of its proper divisors (1973357194).

2631142916 is a wasteful number, since it uses less digits than its factorization.

2631142916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657785733 (or 657785731 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 2631142916 is about 51294.6675201234. The cubic root of 2631142916 is about 1380.5373032011.

The spelling of 2631142916 in words is "two billion, six hundred thirty-one million, one hundred forty-two thousand, nine hundred sixteen".