1951262581468 has 12 divisors (see below), whose sum is σ = 3414789107352. Its totient is φ = 975608550800.

The previous prime is 1951262581441. The next prime is 1951262581511. The reversal of 1951262581468 is 8641852621591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5491183 + ... + 5835718.

It is an arithmetic number, because the mean of its divisors is an integer number (284565758946).

Almost surely, 2^{1951262581468} is an apocalyptic number.

It is an amenable number.

1951262581468 is a deficient number, since it is larger than the sum of its proper divisors (1463526525884).

1951262581468 is a wasteful number, since it uses less digits than its factorization.

1951262581468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11369972 (or 11369970 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 58.

The spelling of 1951262581468 in words is "one trillion, nine hundred fifty-one billion, two hundred sixty-two million, five hundred eighty-one thousand, four hundred sixty-eight".