2119151401 has 2 divisors, whose sum is σ = 2119151402. Its totient is φ = 2119151400.

The previous prime is 2119151399. The next prime is 2119151429. The reversal of 2119151401 is 1041519112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1579983001 + 539168400 = 39749^2 + 23220^2 .

It is a cyclic number.

It is not a de Polignac number, because 2119151401 - 2¹ = 2119151399 is a prime.

Together with 2119151399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2119151471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059575700 + 1059575701.

It is an arithmetic number, because the mean of its divisors is an integer number (1059575701).

Almost surely, 2^2119151401 is an apocalyptic number.

It is an amenable number.

2119151401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2119151401 is an equidigital number, since it uses as much as digits as its factorization.

2119151401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 25.

The square root of 2119151401 is about 46034.2416142593. The cubic root of 2119151401 is about 1284.4602296265.

The spelling of 2119151401 in words is "two billion, one hundred nineteen million, one hundred fifty-one thousand, four hundred one".