1914061057 has 4 divisors (see below), whose sum is σ = 1914617556. Its totient is φ = 1913504560.

The previous prime is 1914061033. The next prime is 1914061073. The reversal of 1914061057 is 7501604191.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7501604191 = 449 ⋅16707359.

It can be written as a sum of positive squares in 2 ways, for example, as 236421376 + 1677639681 = 15376^2 + 40959^2 .

It is a cyclic number.

It is not a de Polignac number, because 1914061057 - 2¹⁹ = 1913536769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1914061757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273058 + ... + 279979.

It is an arithmetic number, because the mean of its divisors is an integer number (478654389).

Almost surely, 2^1914061057 is an apocalyptic number.

It is an amenable number.

1914061057 is a deficient number, since it is larger than the sum of its proper divisors (556499).

1914061057 is an equidigital number, since it uses as much as digits as its factorization.

1914061057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556498.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 1914061057 is about 43749.9835085683. The cubic root of 1914061057 is about 1241.6101734598.

The spelling of 1914061057 in words is "one billion, nine hundred fourteen million, sixty-one thousand, fifty-seven".