619202049253 has 2 divisors, whose sum is σ = 619202049254. Its totient is φ = 619202049252.

The previous prime is 619202049223. The next prime is 619202049299. The reversal of 619202049253 is 352940202916.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 486022305409 + 133179743844 = 697153^2 + 364938^2 .

It is a cyclic number.

It is not a de Polignac number, because 619202049253 - 2¹³ = 619202041061 is a prime.

It is a super-2 number, since 2×619202049253² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (619202049223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309601024626 + 309601024627.

It is an arithmetic number, because the mean of its divisors is an integer number (309601024627).

Almost surely, 2^619202049253 is an apocalyptic number.

It is an amenable number.

619202049253 is a deficient number, since it is larger than the sum of its proper divisors (1).

619202049253 is an equidigital number, since it uses as much as digits as its factorization.

619202049253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 619202049253 in words is "six hundred nineteen billion, two hundred two million, forty-nine thousand, two hundred fifty-three".