1495540019 has 2 divisors, whose sum is σ = 1495540020. Its totient is φ = 1495540018.

The previous prime is 1495540009. The next prime is 1495540051. The reversal of 1495540019 is 9100455941.

It is a weak prime.

It is an emirp because it is prime and its reverse (9100455941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1495540019 - 2⁴ = 1495540003 is a prime.

It is a super-2 number, since 2×1495540019² = 4473279896861040722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1495540009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747770009 + 747770010.

It is an arithmetic number, because the mean of its divisors is an integer number (747770010).

Almost surely, 2^1495540019 is an apocalyptic number.

1495540019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1495540019 is an equidigital number, since it uses as much as digits as its factorization.

1495540019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 1495540019 is about 38672.2124916587. The cubic root of 1495540019 is about 1143.5785820760.

The spelling of 1495540019 in words is "one billion, four hundred ninety-five million, five hundred forty thousand, nineteen".