1928153957043 has 16 divisors (see below), whose sum is σ = 2726626841856. Its totient is φ = 1209390932640.

The previous prime is 1928153957003. The next prime is 1928153957063. The reversal of 1928153957043 is 3407593518291.

It is a happy number.

It is not a de Polignac number, because 1928153957043 - 2⁶ = 1928153956979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1928153957003) 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, 229047105 + ... + 229055522.

It is an arithmetic number, because the mean of its divisors is an integer number (170414177616).

Almost surely, 2^{1928153957043} is an apocalyptic number.

1928153957043 is a deficient number, since it is larger than the sum of its proper divisors (798472884813).

1928153957043 is a wasteful number, since it uses less digits than its factorization.

1928153957043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458102714.

The product of its (nonzero) digits is 8164800, while the sum is 57.

The spelling of 1928153957043 in words is "one trillion, nine hundred twenty-eight billion, one hundred fifty-three million, nine hundred fifty-seven thousand, forty-three".