1496920421 has 2 divisors, whose sum is σ = 1496920422. Its totient is φ = 1496920420.

The previous prime is 1496920391. The next prime is 1496920423. The reversal of 1496920421 is 1240296941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1260960100 + 235960321 = 35510^2 + 15361^2 .

It is a cyclic number.

It is not a de Polignac number, because 1496920421 - 2⁶ = 1496920357 is a prime.

It is a super-3 number, since 3×1496920421³ (a number of 29 digits) contains 333 as substring.

Together with 1496920423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1496920423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748460210 + 748460211.

It is an arithmetic number, because the mean of its divisors is an integer number (748460211).

Almost surely, 2^1496920421 is an apocalyptic number.

It is an amenable number.

1496920421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1496920421 is an equidigital number, since it uses as much as digits as its factorization.

1496920421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1496920421 is about 38690.0558412624. The cubic root of 1496920421 is about 1143.9303196205.

The spelling of 1496920421 in words is "one billion, four hundred ninety-six million, nine hundred twenty thousand, four hundred twenty-one".