1457002639 has 2 divisors, whose sum is σ = 1457002640. Its totient is φ = 1457002638.

The previous prime is 1457002637. The next prime is 1457002681. The reversal of 1457002639 is 9362007541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1457002639 - 2¹ = 1457002637 is a prime.

Together with 1457002637, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1457002598 and 1457002607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1457002633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728501319 + 728501320.

It is an arithmetic number, because the mean of its divisors is an integer number (728501320).

Almost surely, 2^1457002639 is an apocalyptic number.

1457002639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457002639 is an equidigital number, since it uses as much as digits as its factorization.

1457002639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1457002639 is about 38170.7039363960. The cubic root of 1457002639 is about 1133.6703270542.

The spelling of 1457002639 in words is "one billion, four hundred fifty-seven million, two thousand, six hundred thirty-nine".