1497490811507 has 2 divisors, whose sum is σ = 1497490811508. Its totient is φ = 1497490811506.

The previous prime is 1497490811497. The next prime is 1497490811567. The reversal of 1497490811507 is 7051180947941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1497490811507 - 2¹⁴ = 1497490795123 is a prime.

It is a super-2 number, since 2×1497490811507² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1497490811567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 748745405753 + 748745405754.

It is an arithmetic number, because the mean of its divisors is an integer number (748745405754).

Almost surely, 2^{1497490811507} is an apocalyptic number.

1497490811507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1497490811507 is an equidigital number, since it uses as much as digits as its factorization.

1497490811507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 56.

The spelling of 1497490811507 in words is "one trillion, four hundred ninety-seven billion, four hundred ninety million, eight hundred eleven thousand, five hundred seven".