1969290053 has 4 divisors (see below), whose sum is σ = 1970392620. Its totient is φ = 1968187488.

The previous prime is 1969290019. The next prime is 1969290073. The reversal of 1969290053 is 3500929691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3500929691 = 7 ⋅500132813.

It can be written as a sum of positive squares in 2 ways, for example, as 1383988804 + 585301249 = 37202^2 + 24193^2 .

It is a cyclic number.

It is not a de Polignac number, because 1969290053 - 2¹² = 1969285957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1969289986 and 1969290013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1969290073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548600 + ... + 552177.

It is an arithmetic number, because the mean of its divisors is an integer number (492598155).

Almost surely, 2^1969290053 is an apocalyptic number.

It is an amenable number.

1969290053 is a deficient number, since it is larger than the sum of its proper divisors (1102567).

1969290053 is a wasteful number, since it uses less digits than its factorization.

1969290053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102566.

The product of its (nonzero) digits is 131220, while the sum is 44.

The square root of 1969290053 is about 44376.6836638341. The cubic root of 1969290053 is about 1253.4390741778.

The spelling of 1969290053 in words is "one billion, nine hundred sixty-nine million, two hundred ninety thousand, fifty-three".