1420451597929 has 45 divisors (see below), whose sum is σ = 1795328621079. Its totient is φ = 1123273110960.

The previous prime is 1420451597911. The next prime is 1420451597941. The reversal of 1420451597929 is 9297951540241.

The square root of 1420451597929 is 1191827.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 210125976025 + 1210325621904 = 458395^2 + 1100148^2 .

It is not a de Polignac number, because 1420451597929 - 2¹⁹ = 1420451073641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420451597989) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 759192864 + ... + 759194734.

Almost surely, 2^{1420451597929} is an apocalyptic number.

1420451597929 is the 1191827-th square number.

1420451597929 is the 595914-th centered octagonal number.

It is an amenable number.

1420451597929 is a deficient number, since it is larger than the sum of its proper divisors (374877023150).

1420451597929 is an frugal number, since it uses more digits than its factorization.

1420451597929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796 (or 1891 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 58.

The spelling of 1420451597929 in words is "one trillion, four hundred twenty billion, four hundred fifty-one million, five hundred ninety-seven thousand, nine hundred twenty-nine".