1494972971437 has 16 divisors (see below), whose sum is σ = 1632593882304. Its totient is φ = 1357638480000.

The previous prime is 1494972971431. The next prime is 1494972971477. The reversal of 1494972971437 is 7341792794941.

It is not a de Polignac number, because 1494972971437 - 2¹⁹ = 1494972447149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494972971431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48458137 + ... + 48488977.

It is an arithmetic number, because the mean of its divisors is an integer number (102037117644).

Almost surely, 2^{1494972971437} is an apocalyptic number.

It is an amenable number.

1494972971437 is a deficient number, since it is larger than the sum of its proper divisors (137620910867).

1494972971437 is a wasteful number, since it uses less digits than its factorization.

1494972971437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35340.

The product of its digits is 96018048, while the sum is 67.

The spelling of 1494972971437 in words is "one trillion, four hundred ninety-four billion, nine hundred seventy-two million, nine hundred seventy-one thousand, four hundred thirty-seven".