1954368151 has 2 divisors, whose sum is σ = 1954368152. Its totient is φ = 1954368150.

The previous prime is 1954368131. The next prime is 1954368173. The reversal of 1954368151 is 1518634591.

It is a weak prime.

It is an emirp because it is prime and its reverse (1518634591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1954368151 - 2¹³ = 1954359959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1954368098 and 1954368107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1954368131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977184075 + 977184076.

It is an arithmetic number, because the mean of its divisors is an integer number (977184076).

Almost surely, 2^1954368151 is an apocalyptic number.

1954368151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954368151 is an equidigital number, since it uses as much as digits as its factorization.

1954368151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 43.

The square root of 1954368151 is about 44208.2362348918. The cubic root of 1954368151 is about 1250.2651492994.

The spelling of 1954368151 in words is "one billion, nine hundred fifty-four million, three hundred sixty-eight thousand, one hundred fifty-one".