1021692129461 has 8 divisors (see below), whose sum is σ = 1022968673280. Its totient is φ = 1020416308912.

The previous prime is 1021692129457. The next prime is 1021692129473. The reversal of 1021692129461 is 1649212961201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021692129461 - 2² = 1021692129457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021692129401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2674220 + ... + 3032298.

It is an arithmetic number, because the mean of its divisors is an integer number (127871084160).

Almost surely, 2^{1021692129461} is an apocalyptic number.

It is an amenable number.

1021692129461 is a deficient number, since it is larger than the sum of its proper divisors (1276543819).

1021692129461 is a wasteful number, since it uses less digits than its factorization.

1021692129461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361635.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 1021692129461 in words is "one trillion, twenty-one billion, six hundred ninety-two million, one hundred twenty-nine thousand, four hundred sixty-one".