49019801 has 2 divisors, whose sum is σ = 49019802. Its totient is φ = 49019800.

The previous prime is 49019797. The next prime is 49019821. The reversal of 49019801 is 10891094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25000000 + 24019801 = 5000^2 + 4901^2 .

It is a cyclic number.

It is not a de Polignac number, because 49019801 - 2² = 49019797 is a prime.

It is not a weakly prime, because it can be changed into another prime (49019821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24509900 + 24509901.

It is an arithmetic number, because the mean of its divisors is an integer number (24509901).

Almost surely, 2^49019801 is an apocalyptic number.

It is an amenable number.

49019801 is a deficient number, since it is larger than the sum of its proper divisors (1).

49019801 is an equidigital number, since it uses as much as digits as its factorization.

49019801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 49019801 is about 7001.4142142856. The cubic root of 49019801 is about 365.9798554611.

It can be divided in two parts, 4901 and 9801, that multiplied together give a triangular number (48034701 = T₉₈₀₁).

The spelling of 49019801 in words is "forty-nine million, nineteen thousand, eight hundred one".