1421922597949 has 32 divisors (see below), whose sum is σ = 1715330048000. Its totient is φ = 1151443206144.

The previous prime is 1421922597947. The next prime is 1421922598007. The reversal of 1421922597949 is 9497952291241.

It is not a de Polignac number, because 1421922597949 - 2¹ = 1421922597947 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 (1421922597947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115700797 + ... + 115713085.

It is an arithmetic number, because the mean of its divisors is an integer number (53604064000).

Almost surely, 2^{1421922597949} is an apocalyptic number.

1421922597949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1421922597949 is a deficient number, since it is larger than the sum of its proper divisors (293407450051).

1421922597949 is a wasteful number, since it uses less digits than its factorization.

1421922597949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14657.

The product of its digits is 29393280, while the sum is 64.

The spelling of 1421922597949 in words is "one trillion, four hundred twenty-one billion, nine hundred twenty-two million, five hundred ninety-seven thousand, nine hundred forty-nine".