1421922597950 has 48 divisors (see below), whose sum is σ = 2769185948256. Its totient is φ = 542183030400.

The previous prime is 1421922597947. The next prime is 1421922598007. The reversal of 1421922597950 is 597952291241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1773041 + ... + 2446940.

It is an arithmetic number, because the mean of its divisors is an integer number (57691373922).

Almost surely, 2^{1421922597950} is an apocalyptic number.

1421922597950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421922597950 is a deficient number, since it is larger than the sum of its proper divisors (1347263350306).

1421922597950 is a wasteful number, since it uses less digits than its factorization.

1421922597950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220309 (or 4220304 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 56.

The spelling of 1421922597950 in words is "one trillion, four hundred twenty-one billion, nine hundred twenty-two million, five hundred ninety-seven thousand, nine hundred fifty".