1951263268 has 12 divisors (see below), whose sum is σ = 3455852400. Its totient is φ = 963876872.

The previous prime is 1951263263. The next prime is 1951263341. The reversal of 1951263268 is 8623621591.

It is not an unprimeable number, because it can be changed into a prime (1951263263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2938318 + ... + 2938981.

It is an arithmetic number, because the mean of its divisors is an integer number (287987700).

Almost surely, 2^1951263268 is an apocalyptic number.

It is an amenable number.

1951263268 is a deficient number, since it is larger than the sum of its proper divisors (1504589132).

1951263268 is a wasteful number, since it uses less digits than its factorization.

1951263268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877386 (or 5877384 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 1951263268 is about 44173.1057092435. The cubic root of 1951263268 is about 1249.6027042449.

The spelling of 1951263268 in words is "one billion, nine hundred fifty-one million, two hundred sixty-three thousand, two hundred sixty-eight".