1619677053 has 10 divisors (see below), whose sum is σ = 2419517694. Its totient is φ = 1079784648.

The previous prime is 1619677049. The next prime is 1619677123. The reversal of 1619677053 is 3507769161.

1619677053 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1294704324 + 324972729 = 35982^2 + 18027^2 .

It is not a de Polignac number, because 1619677053 - 2² = 1619677049 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1619677153) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9997926 + ... + 9998087.

Almost surely, 2^1619677053 is an apocalyptic number.

It is an amenable number.

1619677053 is a deficient number, since it is larger than the sum of its proper divisors (799840641).

1619677053 is an equidigital number, since it uses as much as digits as its factorization.

1619677053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19996025 (or 19996016 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 1619677053 is about 40245.2115536743. The cubic root of 1619677053 is about 1174.3822442777.

The spelling of 1619677053 in words is "one billion, six hundred nineteen million, six hundred seventy-seven thousand, fifty-three".