1490029919457 has 4 divisors (see below), whose sum is σ = 1986706559280. Its totient is φ = 993353279636.

The previous prime is 1490029919453. The next prime is 1490029919501. The reversal of 1490029919457 is 7549199200941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1490029919457 - 2² = 1490029919453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1490029919457.

It is not an unprimeable number, because it can be changed into a prime (1490029919453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248338319907 + ... + 248338319912.

It is an arithmetic number, because the mean of its divisors is an integer number (496676639820).

Almost surely, 2^{1490029919457} is an apocalyptic number.

It is an amenable number.

1490029919457 is a deficient number, since it is larger than the sum of its proper divisors (496676639823).

1490029919457 is an equidigital number, since it uses as much as digits as its factorization.

1490029919457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496676639822.

The product of its (nonzero) digits is 7348320, while the sum is 60.

The spelling of 1490029919457 in words is "one trillion, four hundred ninety billion, twenty-nine million, nine hundred nineteen thousand, four hundred fifty-seven".