1421932158997 has 24 divisors (see below), whose sum is σ = 1697591068992. Its totient is φ = 1187155065600.

The previous prime is 1421932158991. The next prime is 1421932159069. The reversal of 1421932158997 is 7998512391241.

It is not a de Polignac number, because 1421932158997 - 2²³ = 1421923770389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421932158991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2173404 + ... + 2750917.

It is an arithmetic number, because the mean of its divisors is an integer number (70732961208).

Almost surely, 2^{1421932158997} is an apocalyptic number.

It is an amenable number.

1421932158997 is a deficient number, since it is larger than the sum of its proper divisors (275658909995).

1421932158997 is an equidigital number, since it uses as much as digits as its factorization.

1421932158997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4924489 (or 4924482 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 61.

The spelling of 1421932158997 in words is "one trillion, four hundred twenty-one billion, nine hundred thirty-two million, one hundred fifty-eight thousand, nine hundred ninety-seven".