20153351399 has 2 divisors, whose sum is σ = 20153351400. Its totient is φ = 20153351398.

The previous prime is 20153351347. The next prime is 20153351431. The reversal of 20153351399 is 99315335102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20153351399 - 2²⁸ = 19884915943 is a prime.

It is a super-2 number, since 2×20153351399² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20153951399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10076675699 + 10076675700.

It is an arithmetic number, because the mean of its divisors is an integer number (10076675700).

Almost surely, 2^20153351399 is an apocalyptic number.

20153351399 is a deficient number, since it is larger than the sum of its proper divisors (1).

20153351399 is an equidigital number, since it uses as much as digits as its factorization.

20153351399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 109350, while the sum is 41.

The spelling of 20153351399 in words is "twenty billion, one hundred fifty-three million, three hundred fifty-one thousand, three hundred ninety-nine".