1928940279513 has 8 divisors (see below), whose sum is σ = 2769760401408. Its totient is φ = 1187040171984.

The previous prime is 1928940279443. The next prime is 1928940279523. The reversal of 1928940279513 is 3159720498291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1928940279513 - 2¹⁷ = 1928940148441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1928940279523) 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, 24730003545 + ... + 24730003622.

It is an arithmetic number, because the mean of its divisors is an integer number (346220050176).

Almost surely, 2^{1928940279513} is an apocalyptic number.

1928940279513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1928940279513 is a deficient number, since it is larger than the sum of its proper divisors (840820121895).

1928940279513 is a wasteful number, since it uses less digits than its factorization.

1928940279513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49460007183.

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 1928940279513 in words is "one trillion, nine hundred twenty-eight billion, nine hundred forty million, two hundred seventy-nine thousand, five hundred thirteen".