5401021349 has 2 divisors, whose sum is σ = 5401021350. Its totient is φ = 5401021348.

The previous prime is 5401021319. The next prime is 5401021369. The reversal of 5401021349 is 9431201045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3576877249 + 1824144100 = 59807^2 + 42710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5401021349 is a prime.

It is a super-2 number, since 2×5401021349² = 58342063224707559602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5401021319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700510674 + 2700510675.

It is an arithmetic number, because the mean of its divisors is an integer number (2700510675).

Almost surely, 2^5401021349 is an apocalyptic number.

It is an amenable number.

5401021349 is a deficient number, since it is larger than the sum of its proper divisors (1).

5401021349 is an equidigital number, since it uses as much as digits as its factorization.

5401021349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 5401021349 is about 73491.6413546466. The cubic root of 5401021349 is about 1754.5212449399.

The spelling of 5401021349 in words is "five billion, four hundred one million, twenty-one thousand, three hundred forty-nine".