49870147 has 2 divisors, whose sum is σ = 49870148. Its totient is φ = 49870146.

The previous prime is 49870133. The next prime is 49870201. The reversal of 49870147 is 74107894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49870147 - 2¹⁵ = 49837379 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (49870547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24935073 + 24935074.

It is an arithmetic number, because the mean of its divisors is an integer number (24935074).

Almost surely, 2^49870147 is an apocalyptic number.

49870147 is a deficient number, since it is larger than the sum of its proper divisors (1).

49870147 is an equidigital number, since it uses as much as digits as its factorization.

49870147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 49870147 is about 7061.8798488788. The cubic root of 49870147 is about 368.0839516840.

The spelling of 49870147 in words is "forty-nine million, eight hundred seventy thousand, one hundred forty-seven".