1974424537902 has 16 divisors (see below), whose sum is σ = 3953446116480. Its totient is φ = 657375339192.

The previous prime is 1974424537867. The next prime is 1974424537903. The reversal of 1974424537902 is 2097354244791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974424537903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191537778 + ... + 191548085.

It is an arithmetic number, because the mean of its divisors is an integer number (247090382280).

Almost surely, 2^{1974424537902} is an apocalyptic number.

1974424537902 is an abundant number, since it is smaller than the sum of its proper divisors (1979021578578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1974424537902 is a wasteful number, since it uses less digits than its factorization.

1974424537902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383086727.

The product of its (nonzero) digits is 15240960, while the sum is 57.

The spelling of 1974424537902 in words is "one trillion, nine hundred seventy-four billion, four hundred twenty-four million, five hundred thirty-seven thousand, nine hundred two".