1930249477774 has 16 divisors (see below), whose sum is σ = 3021326884512. Its totient is φ = 923142372768.

The previous prime is 1930249477771. The next prime is 1930249477781. The reversal of 1930249477774 is 4777749420391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1930249477771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751752 + ... + 2632324.

It is an arithmetic number, because the mean of its divisors is an integer number (188832930282).

Almost surely, 2^{1930249477774} is an apocalyptic number.

1930249477774 is a deficient number, since it is larger than the sum of its proper divisors (1091077406738).

1930249477774 is a wasteful number, since it uses less digits than its factorization.

1930249477774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928251.

The product of its (nonzero) digits is 74680704, while the sum is 64.

The spelling of 1930249477774 in words is "one trillion, nine hundred thirty billion, two hundred forty-nine million, four hundred seventy-seven thousand, seven hundred seventy-four".