1492434421 has 2 divisors, whose sum is σ = 1492434422. Its totient is φ = 1492434420.

The previous prime is 1492434409. The next prime is 1492434467. The reversal of 1492434421 is 1244342941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1350562500 + 141871921 = 36750^2 + 11911^2 .

It is a cyclic number.

It is not a de Polignac number, because 1492434421 - 2¹¹ = 1492432373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1492434491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746217210 + 746217211.

It is an arithmetic number, because the mean of its divisors is an integer number (746217211).

Almost surely, 2^1492434421 is an apocalyptic number.

It is an amenable number.

1492434421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492434421 is an equidigital number, since it uses as much as digits as its factorization.

1492434421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 34.

The square root of 1492434421 is about 38632.0387890673. The cubic root of 1492434421 is about 1142.7864587258.

It can be divided in two parts, 149243 and 4421, that added together give a square (153664 = 392²).

The spelling of 1492434421 in words is "one billion, four hundred ninety-two million, four hundred thirty-four thousand, four hundred twenty-one".