1290769443952 has 20 divisors (see below), whose sum is σ = 2509401184920. Its totient is φ = 643182041408.

The previous prime is 1290769443913. The next prime is 1290769444049. The reversal of 1290769443952 is 2593449670921.

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, 137662702 + ... + 137672077.

It is an arithmetic number, because the mean of its divisors is an integer number (125470059246).

Almost surely, 2^{1290769443952} is an apocalyptic number.

It is an amenable number.

1290769443952 is a deficient number, since it is larger than the sum of its proper divisors (1218631740968).

1290769443952 is a wasteful number, since it uses less digits than its factorization.

1290769443952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275335080 (or 275335074 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 61.

The spelling of 1290769443952 in words is "one trillion, two hundred ninety billion, seven hundred sixty-nine million, four hundred forty-three thousand, nine hundred fifty-two".